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Description
Note on back of print: "Few people are aware that when Charles D. Herrold was sixteen years old, he had constructed a refrecting (sic) telescope complete with finder, driging clock, camera, with an electric shutter, control micrometer and had mounted it in a steel dome complete in miniature of Lincoln Observatory (1891)." Another copy of this photo was donated by the True family in 2021, with the caption: "This picture was taken in 1892, just before this telescope was placed in the steel dome on North Fifth Street in San Jose, California. All the appratii shown here was made by Herrold. The degree circles were graduated on a homemade dividing engine, the micro-measuring instrument, the electric operated camera which would also be operated by a hand bulb and tube. The telescope was mounted on a polar axis and had a driving clock that could be regulated to stellar or solar rate."
Type
image
Format
Black & White, Developing-out Paper
Identifier
B0EA086D-1410-468C-B645-444654043553 1997-300-321
Subject
Astronomy (LCSH) Telescopes Nineteenth century (LCSH) Astronomical instruments Herrold, Charles
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