Filters: Tags: equipment (X)
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Album caption: Flat wading rod. Also No. 680 of Water Resources Instruments. No index card.
Categories: Image;
Tags: Equipment,
Topography Instruments Collection,
Water Resources Instruments Collection,
photo print
Album caption: Complete Multiplex Mapping Unit showing portion of compiled map. No index card. Album note: Photographed and compiled by E.F. Patterson.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Pivots for 622-type curent meters. Also No. 681 of Water Resources Instruments Album. No index card.
Categories: Image;
Tags: Equipment,
Topography Instruments Collection,
Water Resources Instruments Collection,
photo print
Album caption: Type A current meters. Pygmy current meter, miniature current meter. Also No. 682 of Water Resources Instruments Album. No index card.
Categories: Image;
Tags: Equipment,
Topography Instruments Collection,
Water Resources Instruments Collection,
photo print
Album caption: Illustration of a drafting trainee, consistent line wieght and smoothness of line is emphasized. An employee is trained approximately two months before going on production. No index card. Note on album: Photographed and compiled by E.F. Patterson, August 1952. Published as figure 23 in the USGS Circular 1341, History of the Topographic Branch (Division). Caption from published photo, Figure 23. Pen-and-ink drafting for map production was used from the early 1940s through the mid-1950s. Inking contours by hadn required a light touch to maintain consistent line weight (1952). Email communication USGS employee on May 26, 2021, "... it looks like a scope they used to determine line widths and spacing....
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Slotted Template Layout. No index card. Note on album: Photographed and compiled by E.F. Patterson, August 1952.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Blue line processes on metal mounted boards for field and color separation drafting. No index card. Album note: Photographed and compiled by E.F. Patterson.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Wild Autograph Model A-6. No index card. Album note: Photographed and compiled by E.F. Patterson.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
H&H multiplex supporting frame, U.S. Geological Survey Topographic Division. Location unknown. 1952.
Album caption: H&H multiplex supporting frame with equipment. No index card. Album note: Photographed and compiled by E.F. Patterson.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Rear tapeman holding break of tape on tally pin. No index card. Note on album: Photographed and compiled by E.F. Patterson, August 1952.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Reading deflection angles on third order T.T. with Wild T-1 Theodolite. No index card. Note on album: Photographed and compiled by E.F. Patterson, August 1952.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Multiplex Model. No index card. Album note: Photographed and compiled by E.F. Patterson.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Panel truck. No index card. Note on album: Photographed and compiled by E.F. Patterson, August 1952.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
Album caption: Triangulating while using canvas wind and sun shelter, (leeward side). No index card. Note on album: Photographed and compiled by E.F. Patterson, August 1952.
Categories: Image;
Tags: Equipment,
Patterson, E.F. Collection,
Photographers,
Topography E,
Topography E Collection,
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