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2-Fold G.M. Coincidence Unit

Description: Report containing a diagram of a coincidence unit, outlining resistor values and other technical specifications.
Date: 1947
Creator: U.S. Atomic Energy Commission

8 Inch Vacuum Pump

Description: Technical drawings of vacuum pumps and machinery for use in nuclear reactors.
Date: 1947
Creator: U.S. Atomic Energy Commission

30 Rv. Power Supply

Description: Technical drawing of electronic circuits and power supplies to nuclear reactors.
Date: 1950?
Creator: U.S. Atomic Energy Commission

300-400 V Regulated Supply

Description: 1 technical drawing of a regulated supply of 300-400 volts for nuclear reactors.
Date: 1946?
Creator: U.S. Atomic Energy Commission

300 Mc Transmitter Pulser

Description: Technical drawing of pulse generators for use in nuclear reactors.
Date: 1947
Creator: Titterton, E. W.

1500 Uses Delay Unit

Description: Technical drawing of signal generators in nuclear reactors.
Date: 1945
Creator: Titterton, E. W.

Alpha Chamber

Description: Technical drawings detailing alpha rays in a nuclear reactor cloud chamber.
Date: 1947
Creator: United States. Office of Scientific Research and Development. Metallurgical Laboratory.

Alpha Chamber Modified

Description: Technical drawings for alpha rays in a nuclear reactor cloud chamber.
Date: 1947
Creator: United States. Office of Scientific Research and Development. Metallurgical Laboratory.

Bending Moment Due to Wind Pressure on Pole Chart 2A

Description: Chart showing bending moment due to wind pressure on poles for various pole heights, circumferences, and loading. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).
Date: August 7, 1944
Creator: United States. National Bureau of Standards.

Bridge 4" Oil Diffusion Pump

Description: Set of technical drawings on the design and construction of vacuum pumps, pumping machinery, and nuclear reactors.
Date: 1947
Creator: U.S. Atomic Energy Commission

Calibrated Sweep Generator

Description: Technical drawing of signal generators for nuclear reactors.
Date: 1944
Creator: U.S. Atomic Energy Commission

Camera Synchronizer

Description: Declassified Manhattan Project technical drawing of cameras in nuclear reactors.
Date: 1944
Creator: Whitham, Glenn E.

Catenary Chart 3

Description: Chart of catenary curve ordinates: "The curve gives approximate values of sag at all points on the catenary curve expressed in per cent of the center sag. The error is negligible for all spans in which the center sag is less than 10% of the span length." It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).
Date: August 7, 1944
Creator: United States. National Bureau of Standards.

[Charts for Various Aspects of Poles]

Description: Chart 1A-1B. Conductor loading nomograph, Chart 2A. Bending moment due to wind pressure on pole, Chart 2B. Ultimate resisting moments of wood poles, Chart 3. Catenary curve.
Date: August 7, 1944
Creator: United States. National Bureau of Standards.
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