a bibliography of chemistry projects and demonstrations, 1940-49

3
A BIBLIOGRAPHY OF CHEMISTRY PROJECTS AND DEMONSTRATIONS, 1940-49 J. 0. DERRICK East Carolina Teachers College, Greenville, North Carolina CHEms~RY teaching without student participation is (12) BELTZ, J. C., "Lecture demonstration on oil films," Sch. Sci. and Math., 41,237 (Mes., 1941). teaching without the punch it hve' Many (13) Bmcn, E, J, H,, "Hardness in demonstration," teachers "waste" valuable time attempting to get such J. CHEM. EDUC., 26,196 (1949). oarticioation into classwork. In view of this the (14) BLANKENSAIP. F.. AND P. DONALDSON. '(AU imoroved dem- . , , , iutho;is of the opinion that a better plan is for the onstration experiment on gas adsorption," zbzd., 26, 105 teacher to do the major portion of the class demonstra- tions and to reserve most student activities of this type for after-class sessions and club work, where the real job of learning fundamentals is not delayed, and the student is free, in an informal setting, to have the fun that should accompany such experiences. There are many ways of getting students interested in such an after-class program. One is to make a few suggestions, to show them a bibliography similar to the following for the purpose of arousing interest and stimulating thought, and then simply to guide them in what they want to do. The author has spent many leas ant hours in activities of this twe, freauentlv (1949). (15) Bolo, F. S., "Laboratory experiments dealing with the manufacture of paints," ibid., 24,592 (1947). (16) BROOKS, W. O., "Model of an oxygen atom," ibid., 24, 245 (1947). (17) BROWN, F. E., "Conductivity and a time reaction," {bid., 25, 256 (1948). (18) BWETT, H., "Demonstration polarimeter," ibid., 26,273 11Mn ~-.-.,. (19) CALDWELL, W. E., "Lecture demonstration of ore flota- tion," ibid., 26, 541 (1949). (20) C ~ P B E L L , J. A., "Rates of reactions," ibid., 25,498 (1948). (21) CASTKA, J. F., "Demonstration of electrolytic extraction of aluminum,"ibid., 18,193 (1941). (22) CASTKA, J. F., "Demonstration on preparation and mold- ine of nlilstics." ibid.. 20.253 (1943). "A , iearning more than the students. (23) "~h&io'al ma@;," pop. ~ech., 81,46 (Feh., 1944). F ~ ~ ~ , and for, such experiences the author began (24) "Chemistry's secret agents," Sci. Digat, 23, 75 (Mayy, 1948). Condensed from The Lamp (Jan., 1948). keeping a list of suitable references in 1929. The first (25) "Chlorine experiments show how indllstry uses versatile one hundred were published in 1940.' The following gas to effect many of its common miracles," Pop. Sci., summary brings the list to date thus making available 141, 440 (Dec., 1942). ready reference material for the past twenty years. (26) "CHON, four elements chart the law8 of all ohemistry," Life. 12.74 (Mitrch23. 1942). .. . (1) AsnARAMs, H. J., "Chemistry demonstrations as entertain- (27) COOK, G., "A lecture experiment on dyeing," J. CREM. ment," Sci. Ed., 25,24 (Jan., 1941). EDUC., 17,330 (1940). (2) ABRAHAMS, H. J., ANE W. BLITSTEW, "A simple demon- (28) C u ~ n s , W. C., "Models and demonstrations," ibid., 19, stration ultramicroscope," J. CHEM. EDUC., 18, 378 458 (1942). A list of 39 modelssome with references; (1941). (3) ALYEA. H. N., "Demonstration techniques,"ibid., 25, 249 (1948). ARENSON, S. B.. "Demonstrations involving photography," ibid., 18, 122 (1941). The demonstrations do not re- quire a darkroom. ARENSON, S. B., "Lecture demonstrations in general chem- istry," iW., 17, 434, 469, 513 (1940). Eighteen dem- onstrations with ~~S~NC~~OUS for carrying them out. ARNOLD, H. J., "Metallic sodium from sodium chloride- a simple experiment," Sci. Ed., 24,42 (Jan., 1940). BBITZ, M., "Science assembly programs," Sch. Sci. and Math., 42, 17 (Jan., 1942). BACON, E. K., "Miscellaneous experiments," J. CHEM. Eouc., 25,251 (1948). BAHNSEN, M. J., "Porcelain enamel-its manufacture and application," ibid., 25,493 (1948). BAILEY, C. F., R. S. CASEY, AND R. NEAL, "Experiments with writing inks," ibid., 24,429 (1947). BAKER, R. A,, "New cryophoms f o m q ibid., 25, 259 (1948). 1 DERRICK, J. O., "One hundred high-school chemistry proj- ects," J. CHEM. EDUC., 17,492 (1940). and 41 demonstrations-me with references. (29) C m n s , W. C., "Project teaching in high-school chemis- try," ibid., 21, 547 (1944). Project suggestions with many demonstrations. (30) DAMERELL, V. R., AND H. BROCK, "Colloidal gardens from metasilicate," ibid., 26, 148 (1949). (31) DAUG~ERTY, T. H., "Sequestration, dispersion and dilst- ancy, lecture demonstrations," ibid., 25,482 (1948). (32) DAYIS, T. L., "Pyroteohnio snakes," ibid., 17,268 (1940). (33) DERRICK, J. O., "One hundred high-school chemistry proj- ects," ibid., 17,492 (1940). (34) "Emy experiments show how industry combines electric:ty and chemistly," Pop. Sci., 140,198 (1942). (35) EHRET, W. T., "Sp~utane~~~comhustion," J. CHEW. Eouc., 25. 260 11948). ~. . ~. (36) ELDI:K, A. I.., AND K. G. BARTLETT, "%i(.nct! lrmgrnmr for adult radio listen~r6," ibrd., 18, IW (1911). (37) "Exprrimmt~ with wJd light," Pop. So., 154, 206 (April, 1949). (38) FXRNANDEZ, J., AND S. H. LEBOWITZ, "Model of a mass spectrograph," J. CHEM. EDUC., 26,334 (1949). (39) FICKLEN, J. B., "Dust explosions," ibid., 19,131 (1942). (40) FISHER, J. W., "Oocupstional guidance in high-school chem- istry,"ibid., 25, 99 (1948).

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A BIBLIOGRAPHY OF CHEMISTRY PROJECTS AND DEMONSTRATIONS, 1940-49

J. 0. DERRICK East Carolina Teachers College, Greenville, North Carolina

CHEms~RY teaching without student participation is (12) BELTZ, J. C., "Lecture demonstration on oil films," Sch. Sci. and Math., 41,237 (Mes., 1941).

teaching without the punch it hve' Many (13) Bmcn, E, J, H,, "Hardness in demonstration," teachers "waste" valuable time attempting to get such J. CHEM. EDUC., 26,196 (1949). oarticioation into classwork. I n view of this the (14) BLANKENSAIP. F.. AND P. DONALDSON. '(AU imoroved dem- . , , , iutho;is of the opinion that a better plan is for the onstration experiment on gas adsorption," zbzd., 26, 105 teacher to do the major portion of the class demonstra- tions and to reserve most student activities of this type for after-class sessions and club work, where the real job of learning fundamentals is not delayed, and the student is free, in an informal setting, to have the fun that should accompany such experiences.

There are many ways of getting students interested in such an after-class program. One is to make a few suggestions, to show them a bibliography similar to the following for the purpose of arousing interest and stimulating thought, and then simply to guide them in what they want to do. The author has spent many leas ant hours in activities of this t w e , freauentlv

(1949). (15) Bolo, F. S., "Laboratory experiments dealing with the

manufacture of paints," ibid., 24,592 (1947). (16) BROOKS, W. O., "Model of an oxygen atom," ibid., 24, 245

(1947). (17) BROWN, F. E., "Conductivity and a time reaction," {bid.,

25, 256 (1948). (18) BWETT, H., "Demonstration polarimeter," ibid., 26,273

1 1 M n ~-.-.,. (19) CALDWELL, W. E., "Lecture demonstration of ore flota-

tion," ibid., 26, 541 (1949). (20) C ~ P B E L L , J. A., "Rates of reactions," ibid., 25,498 (1948). (21) CASTKA, J. F., "Demonstration of electrolytic extraction

of aluminum,"ibid., 18,193 (1941). (22) CASTKA, J. F., "Demonstration on preparation and mold-

ine of nlilstics." ibid.. 20.253 (1943). " A ,

iearning more than the students. (23) "~h&io'al ma@;," pop. ~ e c h . , 81,46 (Feh., 1944).

F ~ ~ ~ , and for, such experiences the author began (24) "Chemistry's secret agents," Sci. Digat, 23, 75 (Mayy, 1948). Condensed from The Lamp (Jan., 1948). keeping a list of suitable references in 1929. The first (25) "Chlorine experiments show how indllstry uses versatile

one hundred were published in 1940.' The following gas to effect many of its common miracles," Pop. Sci., summary brings the list to date thus making available 141, 440 (Dec., 1942). ready reference material for the past twenty years. (26) "CHON, four elements chart the law8 of all ohemistry,"

Life. 12.74 (Mitrch23. 1942). . . . (1) AsnARAMs, H. J., "Chemistry demonstrations as entertain- (27) COOK, G., "A lecture experiment on dyeing," J. CREM.

ment," Sci. Ed., 25,24 (Jan., 1941). EDUC., 17,330 (1940). (2) ABRAHAMS, H. J., ANE W. BLITSTEW, "A simple demon- (28) C u ~ n s , W. C., "Models and demonstrations," ibid., 19,

stration ultramicroscope," J. CHEM. EDUC., 18, 378 458 (1942). A list of 39 modelssome with references; (1941).

(3) ALYEA. H. N., "Demonstration techniques,"ibid., 25, 249 (1948).

ARENSON, S. B.. "Demonstrations involving photography," ibid., 18, 122 (1941). The demonstrations do not re- quire a darkroom.

ARENSON, S. B., "Lecture demonstrations in general chem- istry," iW., 17, 434, 469, 513 (1940). Eighteen dem- onstrations with ~ ~ S ~ N C ~ ~ O U S for carrying them out.

ARNOLD, H. J., "Metallic sodium from sodium chloride- a simple experiment," Sci. Ed., 24,42 (Jan., 1940).

BBITZ, M., "Science assembly programs," Sch. Sci. and Math., 42, 17 (Jan., 1942).

BACON, E. K., "Miscellaneous experiments," J. CHEM. Eouc., 25,251 (1948).

BAHNSEN, M. J., "Porcelain enamel-its manufacture and application," ibid., 25,493 (1948).

BAILEY, C. F., R. S. CASEY, AND R. NEAL, "Experiments with writing inks," ibid., 24,429 (1947).

BAKER, R. A,, "New cryophoms f o m q ibid., 25, 259 (1948).

1 DERRICK, J. O., "One hundred high-school chemistry proj- ects," J. CHEM. EDUC., 17,492 (1940).

and 41 demonstrations-me with references. (29) C m n s , W. C., "Project teaching in high-school chemis-

try," ibid., 21, 547 (1944). Project suggestions with many demonstrations.

(30) DAMERELL, V. R., AND H. BROCK, "Colloidal gardens from metasilicate," ibid., 26, 148 (1949).

(31) DAUG~ERTY, T. H., "Sequestration, dispersion and dilst- ancy, lecture demonstrations," ibid., 25,482 (1948).

(32) DAYIS, T. L., "Pyroteohnio snakes," ibid., 17,268 (1940). (33) DERRICK, J. O., "One hundred high-school chemistry proj-

ects," ibid., 17,492 (1940). (34) "Emy experiments show how industry combines electric:ty

and chemistly," Pop. Sci., 140,198 (1942). (35) EHRET, W. T., "Sp~utane~~~comhust ion," J. CHEW. Eouc.,

25. 260 11948). ~. ~~ . ~ ~. (36) ELDI:K, A. I.., A N D K. G . BARTLETT, "%i(.nct! lrmgrnmr for

adult radio listen~r6," ibrd., 18, IW (1911). (37) "Exprrimmt~ with wJd light," Pop. So., 154, 206 (April,

1949). (38) FXRNANDEZ, J., AND S. H. LEBOWITZ, "Model of a mass

spectrograph," J. CHEM. EDUC., 26,334 (1949). (39) FICKLEN, J. B., "Dust explosions," ibid., 19,131 (1942). (40) FISHER, J. W., "Oocupstional guidance in high-school chem-

istry,"ibid., 25, 99 (1948).

OCTOBER, 1953 563

(41) "Food chemistry &own by simple kitchen experiments," Pop. Sci., 139,197 (Dec., 1941).

(42) FMSER, G. L., "Selected references to biographical sketches of one hundred well known chemists." J. CHEM. EDUC., 20, 506 (1943).

(43) FROELICH. H. C.. "Mercurv v swr made visible." ibid.. . ,

(44) FROMM, F., "A simple classroom demonstration of the manufacture of rayon," ibid., 20,197 (1943).

(45) FROMM, F., "Lecture experiment on the synthesis and combustion of ammonia," ibid., 19,230 (1942).

(46) GILLETTE, E. C., AND F. S. ROBE, 'rDisplacement of hdo- gens," ibid., 25,257 (1948).

(47) GOECKEL, H. J., "A univer~d hydrogen-ion indicator for chemistry demonstrations," ibid., 25,258 (1948).

(481 GOUNDRY. R. A,. "Artificial radioaotivitv Drodueed in s highaohool lsbbratory," zbid., 24,456 ((947).

GRASSEL, E. E., "A model demonstrating the cyclotron principle," ibid., 20,460 (1943).

HALENZ, H. F., AND L. W. BOTIMER, "Methyl methacrylate tts imbedding sgent," zbid., 19,313 (1942).

HALL, G. A., "A sodium atom model for lecture demonstra- tion," ibid., 24, 564 (1947).

HAUBEN, S. S., AND R. S. SIEGEL, "A simple demonstration of the oxidation of ammonia to nitrio acid," ibid., 20, 166 (1943).

HAUBEN, S. S., AND R. 8. SIEGEL, "A modification of the demonstration of the Ostwdd prooess," zbid., 25, 259 (1948).

H A Z L E H ~ T , T. H., "Phenomena at interfacephmging bubbles and mlling drops," ibid., 25,252 (1948).

HIRSCHOEN, I. S., "Demonstration of the burning of a candle," ibid., 18, 107 (1941). A demonstration to show that burning is accompanied by an increase in weight.

HOLLER, A. C., Y+nthetic rubber, a classroom demonstra- tion," ibid., 21,588 (1944).

"Home chemistry formulas for household emergencies," Pop. Sci., 139, 190 (July, 1941).

"Home experiments demonstrate vapor pressure," ibid., 146, 202 (May, 1945).

"Home tests with common salt,'' ibid., 139, 197 (Nov., 1941).

"How chemicals generate electricity," ibid., 145,198 (Sept., 1 Q441. -.-- ,-

(61) JAMES, F. L., "Drying apparatus for flasks," J. CHEM. EDUC., 17, 400 (1940).

(62) JENKINS, E. F., AND OTRERS, "An apparatus to demon- strate the continuous manufacture of rayon." ibid.. 18. . . . . 433 (1941).

(63) JOANSON, L. D., "Chemiluminescence or cold light investi- gations," ibid., 17,295 (1940).

(64) KERCHEVAL, J., AND L. A. ARMBRUSTER, "Hydrogenation, a demonstration for elassroom," ibid., 21,12 (1944).

(65) KESSEL, W. G., "Energy change--oxidation without oxy- gen," ibid., 25, 261 (1948).

(66) KESSEL, W. G., "Same reactions using test tubes," ibid., 25, 497 (1948).

(67) KIEFFER, W. F., AND J. M. RESKO, "Colored signal smokes, a demonstration." ibid.. 22.385 11945).

(68) KING, L. C., AND R. E. PETERSON, h he we of egg albu- min to demonstrate colloidal phenomena," ibid., 25, 4R8 11 (14R)~ - - - \ - - -- , .

(69) KINITOF, W., "Labomtory experiments with chemical warfare agents," ibid., 25,609 (1947); 25,.36 (1948).

(70) KIPLINGER, C. C., "A sensitive student balance," ibid., 17, 227 (1940).

(71) "Kitchen chemistry clarifies complex processes," Life, 15, 122 (Oct. 4. 1943).

(72) KUUS; J. H.; "~xieriments with kitchen chemicals," Sci- erne N. L., 40,360 (Dec. 6,1941).

(73) KUEKNER, A. L., "M0n0mo1ec~l~r film demonstrations," J. CHEM. EDUC., 19,27 (1942).

KUEHNER, A. L., ''piew tough films and bubbles," ibid., 25, 211 (1948).

L'ALLEMAND, G., "Richest lake in the world," Travel, 91, 15 (July, 1948).

LEEDY, W. G., "The phenomena of chemiluminescence," J. CAEM. EDUC., 21,142 (1944).

LONG, R. H., "Apparatus for demonstrating adsorption of charcoal," Sch. Sn'., and Math., 26,423 (May, 1946).

LONG, R. H., "Demonstrations for general chemistry," ibid., 49, 453 (June, 1949).

LONG, R. H., "Same demonstrations for beginning chem- i s t ~ ~ , " ibid., 47,6 (Jan., 1947).

LONG, R. H. "Some simple way8 of demonstrating chemical principles," ibid., 47,409 (May, 1947).

LOUISE, SISTER C., "Kem-chek," J. CHEM. EDUC., 20, 27 (1943). A game "designed to furnish drill in certain fundamentals of chemistry."

LYANS, R. C., "Student-made visual aids," ibid., 21, 241 (1944).

"Magic of chemurgy duplicated in the home laboratory," Pop. Sci., 140,199 (Feb., 1942).

MARTIN, D. R., "Lecture demonstrations of electrochemi- cal reactions." J. CHEM. EDUC.. 25.495 1194X). , . ~ . ~ ~-,.

MAYROSE, W., "A model of a modern sewage treatment plant as a project in high-school chemistry," ibid., 17, 167 (1940)~ ~ .... ,-

MCCULLOCH, L., "Demonstration of combustion by ca- talysis," ibid., 23, 524 (1946).

MCCULLOCH, W. S., "Demonstrating interfacial tension," ibid., 26,338 (1949).

MCGUIRE, W. S., "An impmved conductivity apparatus," ibid., 17, 381 (1940).

MCLAUGHLIN, R. R., AND D. AEIZ, "A lecture experiment to demonstrate the adsorption af gases by solids," ibid., 26, 325 (1949).

MELDHUM, W. B., "Demonstrations using a divided pro- jection cell; electrolysis and oxidation-reduction reac- tions," ibid., 25,490 (1948).

MELDRUM, W. B., "Demonstrations using the ferroxyl- reaeent." ibid.. 25.254 (1948). . .

MEY'R, M., "A'jet'propulsion apparatus," ibid., 22, 176 (1945).

MILLER, S. P., "A demonstration of the conduotivities of dilute and concentrated sulfuric acids," ibid., 26, 317 (1949).

MITCHELL, E. T., "Some lecture experiments using rubber balloons," ibid., 18, 269 (1941).

MURRAY, K., "Ten home-laboratory short cuts," Pop. Mech., 91, 194 (May, 1949).

"New magic from test tubes," ibid., 79,l (Feb., 1943). NOLLER, C. R., "Optical activity-lecture demonstration,"

J. CHEM. EDUC., 26,269 (1949). NORTON, F. J., "Experiments with silicones and a model

mass spectrometer," ibid., 25, 256 (1948). NORTON, F. J., "A model mass spectrometer," ibid., 25,

677 (1948). "Parlor puzzlers," Readers' Digest, 42, 15 (March, 1943). PITHA, J., "A simple sublimation apparatus," J. CHEM.

Eouc., 23,403 (1946). PORTER, W. A., "Electrolysis of salt solutions and sources

of current for electmlysis demonstrations," Seh. Sn'. and Math., 42, 539 (June, 1942).

POWERS, W. H., "Winners of the Nobel prise for chemis- try, physics, physiology and medicine," J. CAEM. EDUC., 26,353 (1949).

POTPER, R. D., "Fabrics of the future," Sci. N. L., 37,106 (Feb. 17. 19401.

"~iofessional tricks will better your lab technique," Pop. Sci., 143,307 (July, 1943).

RAWSON, V. R., AND R. W. PPEIL, "A demonstration model of atomic structure," J. CAEM. EDUC., 25, 260 (1948).

564 JOURNAL OF CHEMICAL EDUCATION

(107) RIEGEI., E. R., AND OTHERS, "Bredig sols:' A lecture demonstration," ibid., 26, 519 (1949).

(108) ROSEN, J . S., "Demonstrations on some incendiary ms tp rials," Sch. Sn'. and Malh., 43,630 (Oct., 1943).

(109) SCHENBERG, S., "Quditative synthesis of water by volume, a classroom demonstration," J. CEEM. Eouc., 22, 537 (1045) ,-

(110) SC&&, G. A,, "A general chemistry experiment in radia- activity," ibid., 26,111 (1949).

(111) Scnnmrr, C. A., "The chemistry of writing inks," ibid., 21, 413 (1944).

(112) SCHNOOBERGER, W., "Merry Christmas to $1," ibid., 17, 593 (1940). A brief description of how a. christmas tree may he decorated with odds and ends of chemicals and annmatns. . ~ . ~ ~

(113) SCH~?.?AKER, E. F., "Refrigeration, a demonst,ration for the classroom," ibid., 21, 195 (1944).

(114) SLIBAUGH, W. H., "Lecture demonatrations-Rotation and derivation of the equilibrium constant," ibid., 26, 430 1,0no\

(115) SLABAUGH, RT. H., "A lecture demonstration of nuclear en- ergy," ibid., 25,679 (1948).

(116) SORUM, C. H., "Lecture demonstrations for general chem- istry; chemical equilibrium and common ion effect," ibid,, 25,489 (1948).

(117) STEINBACH, 0. F., "Some experiments with primary cells in silioic acid gels," ibid., 21,32 (1944).

(118) STOKE, C. H., "Crystalliaatian," ibid., 23,404 (1946). (119) STONE, C. H., "Guide posts to successful teaching," ibid.,

19, 598 (1942). A lecture "punctuated" with 21 inter- est-arousing demonstrations.

(120) STONE, C. H., "Hydrogen peroxide," ibid., 21, 300 (1944). Twenty-six experiments using hydrogen peroxide.

(121) STONE, C. H., "Simple projects for beginners," ibid., 22, 136 (1945).

(122) "Sugar, vital food for men and guns," Pop. Sn'., 141, 378 (Kov., 1942).

(123) STI-EZEY, K. M., "Carbon, foundation of life, most prolific of elements," ibid., 142,248 (June, 1943).

(124) Sn-EZEY, K. M., "Catalystq secret agents of chemistry," ibid., 144, 190 (Feb., 1944).

(125) SWEZEY, K. M., "Chemistry, weapon in the war on crime," ibid., 145, 218 (Aug., 1944).

(126) SWEZEY, K. M., "Elements with dud personality," ibid., 142, 105 (April, 1943).

(127) SWEZEY, K. M., "HOW to put on a chemical show," ibid., 141, 190 (Aug., 1942).

(128) %TEZEY, K. M., "Magical tricks worked with chemistry," ibid., 143, 565 (Nov., 1943).

(129) SWEZEY, K. M., "Mysterious phosphorus, the alchemist's element," ibid., 144,176 (Jan., 1944).

(130) SBEZEY, K. M., "Mystifying tricks for the dinner table," ibid., 141, 252 (Sept., 1942).

(131) SREZEY, K. M., "Oxygen, main-stay of life; home experi- ments explain how fire and corrosion act," ibid., 143,432 (Sept., 1943).

SWEZEY, K. M., "Silicon; sociable dement; i t cannot be found alone," ibid., 143,368 (Aug., 1943).

SWEZEY, K. M., "Sulfur, cornerstone of modern industry," ibid., 142, 41 (March, 1943).

SWEZEY, K. M., "Testing household products," ibid., 144, 194 (June, 1944).

SWEZEY, K. M., "Unfriendly element, nitrogen," ibid., 142, 568 (Feb., 1943).

SWEZEY, K. M., "Water s t & h a fire,)' ibid., 153,234 (Sept., 1948).

SWEZEY, K. M., "What fatsdo; theirestersused for making soap, scents, and explosives," ibid., 142,504 (Jan., 1943).

TAPLITZ, B., "Chemi~try of fireproofing," ibid., 143, 504 (Oct., 1943).

"There's magic in chemistry," ibid., 154, 206 (April, 1x9) . THOMPSON, T. G., "TWO lecture demonstrations," J.

CHEM. EDUC., 20, 377 (1943). Funotion of gas mssk filters and two characte~tics of chemical warfare gases.

THONE, F., "Chemioal riches from oil; explosives, drugs, fertilieers, and plastics for war," Sci. N. L., 42, 6 (July, 1942).

T m , W. E., AND J. M. LIEN, "Demonstrations of gas explosions," J. CHEM. Enuc., 18,375 (1941).

TOPOREK, S., "A model foem-type 6~ extinguisher," ibid., 24,458 (1947).

"Tricks withmagicpeint," Pop. Mech., 76,88 (Oct., 1941). "Try these on your friends," ibid., 76,78 (Dec., 1941). WADE, R. B., "The cause of color in precious stones," J.

CEEM. Enuc., 21, 133 (1944). WAILES, R. B., "Chemical stunts with calcium," Pop. Sci.,

136, 192 (May, 1940). WAILES, R. B., "Fun in the home laboratory," ibid., 136,

201 (Jan., 1940). Wnrms, R. B., "How's i t madel" ibid., 136, 209 (March,

1940). WAILES, R. B., "Kitchen chemicals offer thrills for ex-

perimenters," ibid., 136, 194 (June, 1940). WAKLE~, R. B., "Table-top oil refinery for the home

chemist," ibid., 136, 209 (Feb., 1940). WAILES, R. B., "Trick fires for home chemists," ibid., 136,

201 (April, 1940). WALTON, L. H., "Lecture demonstrations," J. CHEM.

Enuc., 19,453 (1942). Weaver, E. C., "Reference hooks for elementary ohemis-

try," ibid., 22, 532 (1945). WEBB, J. H., "Photographing nuclear particles-alpha par-

ticles, protons, and electrons registered on plates in simple experiments," Chemistry, 22, 2 (Feb., 1949).

WEEKS, M. F., "An exhibit of chemioal substances men- tioned in the Bible," J. CHEM. EDUC., 20, 63 (1943).

WOLINE, R. W., "Science projects," ibid., 17, 389 (1940). An excellent list of several hundred suggestions for proj- ects, many of them with references to literature for de- tails of carrying them out.

Zso~nos, F., AND F. BRAKO, "The chemistry of he," ibid., 20, 305 (1943).