div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 11button div class=ts-image amp-img class=ts-thumb alt=Page 11: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic src=https:reader033vdocumentssitereader033viewer20220417065e44ee28bc91d02ce37ee4cahtml5thumbnails11jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 12button div class=ts-image amp-img class=ts-thumb alt=Page 12: NPL ANNUAL REPORT 1975-76the standard Mcleod gauge to serve as a primary standard of pressure in the range 10-3 to 10-6 torr formed a major activity This gauge uses magnetic 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