...in•Condensed from Bulletin 370, United States Geological Survey, by Richard L. Humphrey, M. Am. Soc. CE tended for fireproofing purposes. For marking the cement...case were found entirely undamaged. A study of the tests shows the comparatively slight increase in the temperatures of the backs of the blocks durine...

...concretes and mortars. This is one of the desirable qualities in buildings intended for fireproofling purposes. For marking the cement blocks linen tags...in place during the test, and when the walls were demolished the tags in every case were found entirely undamaged. An average of all the tests shows...

...transmission of Portland cement concretes and mortars. This is one of the desirable qualities in buildings intended for fire-proofing purposes. For marking the...remained in place during the test and when the walls were demolished the tags in every case were found entirely undamaged. "An average of all the tests shows...

...transmission of Portland cement concretes and mortars. This is one of the desirable qualities in buildings intended for fireproofing purposes. For marking the...remained in place during the test and when the walls were demolished the tags in every ease were found entirely undamaged. "An average of all the tests shows...

...Underwriters' Laboratories, Chicago, 111., which brought out the fact most clearly of the low heat transmission rate of Portland cement mortars and concretes. This...qualities in materials intended for fireproofing purposes. While these tests and investigations were conducted to meet the needs of the Government, it can be...