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125
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(AVIATION)
Instruction manual for an O-25A airplane with
photographs, schematics, and more, from the
Douglas Aircraft Company, in Santa Monica,
California and the United States Army Air
Corps. With 19 photographs of the airplane
from a variety of angles and including detailed
shots of the interior and exterior; the volume
also with detailed instructions and schematic
drawings (nearly all typed copies on blue paper).
Silver prints, sizes are approximately 4
1
/
2
x6
1
/
2
and 7
1
/
2
x9
1
/
2
inches (11.4x16.5 and 19.1x24.1
cm.), and the reverse,with the date and numeric
notations in the negative, and with a typed
caption on the mount. 4to, printed blue
wrappers with a split pin binding, worn. 1930
[400/600]
124
●
(BRIDGES)
Album with over 300 photographs of bridges in the United States, both over roads and bodies of
water, some under construction, but primarily completed and noting structural components or
necessary repairs, including both striking clean shots of the full structure and detailed close-ups of
needed repairs, as well as 7 panoramas (6 made with 2 photographs mounted together and the last
with 3); each with a caption noting the location and other technical details.The bridges are nearly
always located on the West Coast, including Oregon, Arizona, Washington, California, many
constructed with the Federal Aid Project. Silver prints, sizes ranging from approximately 3x5
1
/
2
to
7
1
/
2
x9
1
/
2
inches (7.6x14 to 19.1x24.1 cm.), and the reverse, the largest panorama measuring 2
7
/
8
x13
3
/
4
inches (7.3x34.9 cm.), most pages mounted recto/verso, one or more per page, each page with a
typed caption label. Oblong folio, paper over boards covers with a twin-bolt binding (top bolt
missing), worn. Late 1930s
[1,200/1,800]
124
125