Description:
- Object ID: ALSA 2006.21.01
- Made by: Cooke, Throughton & Simms Ltd., York, England
- Model: Unknown.
- Serial Number: V013198.
- Date Made: After 1922.
- Approximate size:
- Accessories: Wooden carrying case with accessories (See commentary).
- Condition: Fair.
Commentary:
This Cooke, Troughton & Simms theodolite has a double motion horizontal angle plate; and a single motion vertical angle plate. Each plate has two verniers 180 degrees from each other with attached magnifying glasses. Marked on the theodolite is “COOKE, TROUGHTON & SIMMS LTD. YORK, ENGLAND” and the serial number VO13198.
In the wooden carrying case is a lens cap, a lens sun shade, a dusting brush, two adjusting pins (one adjusting pin is missing), a small wrench and a plumb bob attachment assembly comprising of a hook, a short chain, and an attachment to to fasten the assembly to the base of the theodolite when on tripod. The plumb bob is missing.
Source of Object: Unknown. This theodolite was part of the orginal Alberta Land Surveyors’ Association collection..
Notes:
References: Visit article Is it a Theodolite or Transit? Early Open Vernier Theodolites and Transits for additional information.
Description by: Entered by Ed Titanich on November 30, 2024.