1. 1602 (x)
  2. 1792 (x)
  3. 1910 (x)
  4. Scientific Instruments (x)
  5. Search Results

Search Results

(1 - 2 of 2)
Ainsworth Transit
Title
Ainsworth Transit
Format
photograph: print
Description
Wm. Ainsworth & Sons small transit. Manufactured in Denver, Colorado. Model #2421. Housed in wooden case.
Surveying telescope
Title
Surveying telescope
Format
photograph: print
Description
Telescope with level for surveying, includes attachment for mounting on tripod. With leather case labeled Throop College.