Reprinted article describing a device that detects buried or hidden pipes based on magnetic deflection, by reducing the control effects of the earth's magnetic field. It includes photographs of the device and its use, as well as data graphs. Some text is underlined in red and blue, and there is a pencil sketch at the very end.
The Private Collection of Mike Cochran features photographic negatives of the African-American community of Waco, Texas. The collection consists of numerous studio portraits, marriage portraits, graduation and older family photos.
Descriptive information to help identify this pamphlet.
Follow the links below to find similar items on the Portal.
Description
Reprinted article describing a device that detects buried or hidden pipes based on magnetic deflection, by reducing the control effects of the earth's magnetic field. It includes photographs of the device and its use, as well as data graphs. Some text is underlined in red and blue, and there is a pencil sketch at the very end.
Physical Description
[3] p. : ill. ; 25 cm.
Notes
"Copyrighted 1935 by the C[...] [Sheppard] M[...] [Publishing Corporation]."
This pamphlet is part of the following collection of related materials.
Rescuing Texas History, 2019
Rescuing Texas History collects photographs, newspaper articles, letters, postcards, and other historical materials from across the state and beyond to document and preserve the rich history of the state.