Arkivism
Baltimore, MD. To facilitate handling of the individual master card, it is necessary that the identifying information represented by the holes which have ben punched in the card, shall be easily read by the human eye. From the gang punch machine, therefore the master card is taken to an interpreting
Public domain

Baltimore, MD. To facilitate handling of the individual master card, it is necessary that the identifying information represented by the holes which have ben punched in the card, shall be easily read by the human eye. From the gang punch machine, therefore the master card is taken to an interpreting

Harris & Ewing · 1937-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
marylandbaltimoreunited statesglass negatives
Credit lineBaltimore, MD. To facilitate handling of the individual master card, it is necessary that the identifying information represented by the holes which have ben punched in the card, shall be easily read . 1937-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
Open in Explore View at source

Similar works

Baltimore, MD. Statistical data of great value in the future will accumulate in the files of the Social Security Board Records Office. To provide easy means of developing and studying this information, without disturbing the permanent records, acturial cards are reproduced from the original employeeBaltimore, MD. Statistical data of great value in the future will accumulate in the files of the Social Security Board Records Office. To provide easy means of developing and studying this information, without disturbing the permanent records, acturial cards are reproduced from the original employee Woman scientistWoman scientist Donald H. Brooks, Bureau Standards, 8/24/29Donald H. Brooks, Bureau Standards, 8/24/29 Conversion. Compacts to ordnance. Rex Manufacturing Company, New Rochelle, New York. Stamping the seal of the United States on shells for brass buttonsConversion. Compacts to ordnance. Rex Manufacturing Company, New Rochelle, New York. Stamping the seal of the United States on shells for brass buttons Jim Tillma in the electrical engineering laboratory. University of Nebraska, LincolnJim Tillma in the electrical engineering laboratory. University of Nebraska, Lincoln Flame propogation in gas engines photographed. Washington, D.C., Aug. 26. A study of the mechanism of the flame propogation in the cylinder of a internal combustion engine is being made at the U.S. Bureau of Standards for the National Advisory Committee for Aeronautics. A secial bomb made of steel, Flame propogation in gas engines photographed. Washington, D.C., Aug. 26. A study of the mechanism of the flame propogation in the cylinder of a internal combustion engine is being made at the U.S. Bureau of Standards for the National Advisory Committee for Aeronautics. A secial bomb made of steel,