Arkivism
Baltimore, Maryland. The "work" cards, by means of which constant check is kept on what is being done with each block of Social Security Account Applications, are punched in the Production and Control Section. Each hole in each "work" or peration, card represents a letter or a numeral. When translat
Public domain

Baltimore, Maryland. The "work" cards, by means of which constant check is kept on what is being done with each block of Social Security Account Applications, are punched in the Production and Control Section. Each hole in each "work" or peration, card represents a letter or a numeral. When translat

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, Maryland. The "work" cards, by means of which constant check is kept on what is being done with each block of Social Security Account Applications, are punched in the Production and Control. 1937-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.
Open in Explore View at source

Similar works

Baltimore, Md. The 'work' cards, by means of which constant check is kept on what is being done with each block of social security account applications, are punched in the Production and Control Section. Each hole in each 'work' or operation card represents a letter or a numeral. When translated, thBaltimore, Md. The 'work' cards, by means of which constant check is kept on what is being done with each block of social security account applications, are punched in the Production and Control Section. Each hole in each 'work' or operation card represents a letter or a numeral. When translated, th What is the wave-length of "Old Man Static," nature's most powerful broadcasting station? This photographed [sic] shows E.B. Judson of the Bureau of Standards and the static recorder he is using to run down the pranks of static and also to determine on what wave lengths this trouble-maker to radio rWhat is the wave-length of "Old Man Static," nature's most powerful broadcasting station? This photographed [sic] shows E.B. Judson of the Bureau of Standards and the static recorder he is using to run down the pranks of static and also to determine on what wave lengths this trouble-maker to radio r How to keep on your own wave length. Dr. J.H. Dellinger, Chief of the radio laboratory of the bureau of standards, is seen examining a frequency indicator, which is a device that enables radio broadcasting stations to keep on their respective wave lengths when broadcasting. This radio laboratory hasHow to keep on your own wave length. Dr. J.H. Dellinger, Chief of the radio laboratory of the bureau of standards, is seen examining a frequency indicator, which is a device that enables radio broadcasting stations to keep on their respective wave lengths when broadcasting. This radio laboratory has Precise measurements. Washington, D.C. June 17. W.H. Goss, of the National Bureau of Standards, is shown making very precise measurements of the electrical conductance of standard solutions, which are the basis of industrial control of boiled water, steam condensates, beet sugar refining, metal cleaPrecise measurements. Washington, D.C. June 17. W.H. Goss, of the National Bureau of Standards, is shown making very precise measurements of the electrical conductance of standard solutions, which are the basis of industrial control of boiled water, steam condensates, beet sugar refining, metal clea Radio, wire-loop antennaRadio, wire-loop antenna Interesting job with Uncle Sam. Washington, D.C., Oct. 13. One volt after another is all in the day's work for Mrs. L.H. Brickwedde, who is a battery expert for the National Bureau of Standards. Using a potentiometer - or in other words, a standard cell comparator - Miss Brickwedde is shown calibratInteresting job with Uncle Sam. Washington, D.C., Oct. 13. One volt after another is all in the day's work for Mrs. L.H. Brickwedde, who is a battery expert for the National Bureau of Standards. Using a potentiometer - or in other words, a standard cell comparator - Miss Brickwedde is shown calibrat