Chart related to conductor loading showing vertical, transverse and conductor loads in pounds per linear feet of conductor. It is enlarged from figures in NBS discussion of national electrical safety code (handbook H39).

Three charts of copper, brass, and steel construction for use in nuclear reactors.

Technical drawing of counting circuits and electronic circuits for use in nuclear reactors.

Diagram of soil compositions at three gas wells in north Texas -- labeled Southern Methodist University, Magnolia Refining Co. (Corsicana, Tex.), and Focke well No. 2 -- with illustrated textures noting the layers of soil and stone types.

Technical drawing of frequency discriminators and image analysis for nuclear reactors.

Technical drawings of nuclear reactor design.

A preliminary map showing the lithology of parts of the Powder River Basin, Wyoming.

Technical drawing of a fast amplifier circuit.

Report containing a diagram of the Model B-3 amplifier, outlining resistor values.

Technical drawing of signal generators for nuclear reactors.

Flowchart outlining the event sequencing in the "MAIN" program (primary body of operational instructions which accepts data, routines data to sequential manipulations, prints data, etc.) within the Aerial Radiological Monitoring Survey (ARMS-II) system. The ARMS-II system is used "to perform aerial surveys of ground radioactivity. It supplies both geographical position and radioactivity data in digital form, suitable for use with automatic plotting procedures" (p. 5, report)

Technical drawing of oscilloscopes in nuclear reactors.

Maps that illustrate sections of the anthracite coal mines beneath the city of Scranton, Pennsylvania to accompany a bulletin issued by the U.S. Bureau of Mines.

Four diagrams detailing the Litton LTN-76 Inertial Navigation Systems (INS) interface and two diagrams detailing the I-64 Unit created by Applied Geophysics Inc. for a report summarizing tests performed with the LTN-76 designed to fly an airborne geophysical surveys.

Large mollier chart showing the properties of ammonia.

Report containing diagram of a linear amplifier, outlining resistor values and other technical specifications.

Technical drawings for construction of the lower drive assembly for a nuclear reactor.

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.

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.

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.

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.

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.

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.

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.