Mine Workings Under a Part of the South Section of the City of Scranton

Map that illustrates sections of the anthracite coal mines beneath the city of Scranton, Pennsylvania to accompany a bulletin issued by the U.S. Bureau of Mines.
Date: 1912
Creator: United States. Bureau of Mines.
System: The UNT Digital Library

Simpson Proportional Alpha Counter

Declassified Manhattan Project figure of Simpson Proportional Alpha Counter.
Date: 1946
Creator: Simpson, J. A.
System: The UNT Digital Library

Bending Moment Due to Wind Pressure on Pole Chart 2A

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.
System: The UNT Digital Library

Ultimate Resisting Moments of Wood Poles Chart 2B

Chart showing the ultimate resisting moments of wood poles based on the circumferences at ground line for different kinds of woods. 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.
System: The UNT Digital Library

Catenary Chart 3

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.
System: The UNT Digital Library

Cloud Chamber and Magnet Assembly with Structural Frame and Heat Exchange

Report containing a diagram of a cloud chamber and magnet assembly with structural frame and heat exchange.
Date: 1947
Creator: U.S. Atomic Energy Commission
System: The UNT Digital Library

Fast Linear Amplifier Model B-3

Report containing a diagram of the Model B-3 amplifier, outlining resistor values.
Date: 1947
Creator: U.S. Atomic Energy Commission
System: The UNT Digital Library

Linear Amplifier Model B-1 - Model B-4

Report containing diagram of a linear amplifier, outlining resistor values and other technical specifications.
Date: 1947
Creator: Argonne National Laboratory
System: The UNT Digital Library

Discriminator for Photographic Analyzer

Technical drawing of frequency discriminators and image analysis for nuclear reactors.
Date: 1943
Creator: Sands, M.
System: The UNT Digital Library

Model 260 Sweeper

Technical drawing of signal generators for use in nuclear reactors.
Date: 1947
Creator: Sands, M.
System: The UNT Digital Library

Pulse Unit Model 1

Technical drawing of pulse circuits for use in nuclear reactors.
Date: 1945
Creator: Titterton, E. W.
System: The UNT Digital Library

300 Mc Transmitter Pulser

Technical drawing of pulse generators for use in nuclear reactors.
Date: 1947
Creator: Titterton, E. W.
System: The UNT Digital Library

Video Amplifier & Scope

Technical drawing of video amplifiers for nuclear reactors.
Date: 1945
Creator: Titterton, E. W.
System: The UNT Digital Library

Model 501 Amplifier

Technical drawing of amplifiers and electronic circuits for use in nuclear reactors.
Date: 1946
Creator: Elmore, W. C.
System: The UNT Digital Library

30 Rv. Power Supply

Technical drawing of electronic circuits and power supplies to nuclear reactors.
Date: 1950?
Creator: U.S. Atomic Energy Commission
System: The UNT Digital Library

Model L.A.-100 C.R. Oscilloscope

Technical drawing of oscilloscopes for use in nuclear reactors.
Date: 1947
Creator: U.S. Atomic Energy Commission
System: The UNT Digital Library

Test Unit Power Supply

Technical drawing of electronic circuits and power supplies for nuclear reactors.
Date: 1944
Creator: Sands, M.
System: The UNT Digital Library

Battery Operated Field Pulser

Technical drawing of pulse generators for use in nuclear reactors.
Date: 1945
Creator: Titterton, E. W.
System: The UNT Digital Library

300-400 V Regulated Supply

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

10 M.C. Wide Band Amplefier and Scope

Technical drawing of an amplifier for a nuclear reactor.
Date: 1946
Creator: Elmore, W. C.
System: The UNT Digital Library

Model 500 Amplifier

Technical drawing of an amplifier for use in nuclear reactors.
Date: 1946
Creator: Elmore, W. C.
System: The UNT Digital Library

Pulse Analyzer: 1-Channel

Technical drawing of pulse height analyzer for use in nuclear reactors.
Date: 1946
Creator: U.S. Atomic Energy Commission
System: The UNT Digital Library

Scale of 64 with R.F. Power Supply - Model 400

Technical drawing of electronic circuits and power supplies to nuclear reactors.
Date: 1946
Creator: Higinbotham, W.
System: The UNT Digital Library

Counting Rate Meter - Model 100

Technical drawing of counting circuits and electronic circuits for use in nuclear reactors.
Date: 1946
Creator: Sands, M.
System: The UNT Digital Library