Technologic papers Volume 61, 67, 69-72
This collection comprises volumes 61, 67, and 69-72 of the "Technologic Papers" series published by the United States National Bureau of Standards in 1911. These papers offer a glimpse into the technological and scientific research of the early 20th century. Covering a range of topics relevant to engineering and industrial practices of the time, this compilation serves as a valuable resource for historians of science and technology, researchers seeking primary source material, and anyone interested in the evolution of modern scientific standards and practices. "Technologic Papers" provides a unique snapshot of the challenges and innovations that shaped the technological landscape over a century ago.
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