Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1925 |
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Halaman 101
... Cement Mortars and Concretes , To- gether with Tests of Damp - proofing and Waterproofing Compounds and Materials .. .Rudolph J. Wig and P. H. Bates NATURE OF TESTS . - Results of tests of the absorption of water and permeability to ...
... Cement Mortars and Concretes , To- gether with Tests of Damp - proofing and Waterproofing Compounds and Materials .. .Rudolph J. Wig and P. H. Bates NATURE OF TESTS . - Results of tests of the absorption of water and permeability to ...
Halaman 102
... Cement Mortar and Concrete .. Rudolph J. Wig NATURE OF TESTS . - Results of tests made to determine the accelerating action of steam on the hardening of Portland cement mortar and concrete . Tests were made varying the steam pressure ...
... Cement Mortar and Concrete .. Rudolph J. Wig NATURE OF TESTS . - Results of tests made to determine the accelerating action of steam on the hardening of Portland cement mortar and concrete . Tests were made varying the steam pressure ...
Halaman 103
... cements to salt solutions for a period of months and their action noted by analyzing the solutions as removed and the residue at the end of the test . Small hollow cylinders of cement and cement mortar were made and ex- posed to the ...
... cements to salt solutions for a period of months and their action noted by analyzing the solutions as removed and the residue at the end of the test . Small hollow cylinders of cement and cement mortar were made and ex- posed to the ...
Halaman 107
... cements by using standard cement sieves , and to determine the tolerance which should be allowed for the " personal equation " and differences in the sieves . METHODS . - The tests were made on 68 different sieves by different opera ...
... cements by using standard cement sieves , and to determine the tolerance which should be allowed for the " personal equation " and differences in the sieves . METHODS . - The tests were made on 68 different sieves by different opera ...
Halaman 109
... Cement Sieves .... .R . J. Wig and J. C. Pearson An investigation was made of the magnitude and cause of variation ... cement at a nominal price for checking sieves . A revision has been made in the specification for standard No. 200 ...
... Cement Sieves .... .R . J. Wig and J. C. Pearson An investigation was made of the magnitude and cause of variation ... cement at a nominal price for checking sieves . A revision has been made in the specification for standard No. 200 ...
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Istilah dan frasa umum
15 cents absorption acid alloys alternating current ammonia annual antenna apparatus brick Bureau of Standards calorimeter carbon cells cement CHIG circuit circular clays coils color commercial committee concrete conference construction contains copper curves described determined discussed effect electrical electrical insulating electrolytic electromotive force Elimination of Waste-Simplified experimental Federal Specifications Board formulas frequency galvanometer given Government Master Specification inductance coils instruments insulating investigation iron laboratory lamps lime linseed oil magnetic manufacturers materials metal method molybdenite mutual inductance obtained oxide paint plates platinum Portland cement Practice Recommendation Price properties pyrometer quicklime radiation radio resistance samples scale Screw Thread self-inductance simplified practice specification was officially specification was prepared spectral spectrum steel tables temperature tests thermal expansion thermometers tion tube tungsten United States Government UNIVE UNIVE vapor various voltage W. W. Coblentz Waste-Simplified Practice wave lengths weights and measures wire
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Halaman 195 - March 31, 1931, for the use of the departments and independent establishments of the Government in the purchase of this...
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