Description:
- Object ID: ALSA 2008.10.20
- Made by: Made in Jena Germany.
- Model: Theo 020
- Serial Number: 210002
- Date Made: Circa1970”s.
- Approximate size: 27 cm (h), 14 cm (w)
- Accessories: Wooden case with various accessories (see commentary)
- Condition: Good
Commentary:
The ausJena Theo 020 theodolite was manufactured by Carl Zeiss Jena in Germany. The serial number is 210002. in Jena. A metal label on the theodolite reads “ausJena MADE IN GERMANY”. The inscription “aus JENA” likely indicates that the survey instrument was made.
The magnification is 25 and its accuracy is +/- 3″ (seconds).
The inside of the wooden case has a a locking compartment that houses one lens sunshade, one dark filter (that goes over the end of the eyepiece) and a cleaning cloth. Inside the case are various supports for the instrument, a label with a picture describing the placement of transit and technical descriptions (in German). There also is a service label denoted as; “Calgary Instruments Technical Services” showing address and service “DATE 23-5-74”. There are also some small wooden circular compartments for accessories that are missing.
There are several BUTLER SURVEY SUPPLIES labels attached to the theodolite and the case.
Source of Object: Donated by Grant Cross, ALS
Notes: The Society has only one in their collection.
References: Unknown.
Description by: Entered by Ed Titanich on December 3, 2024.