Description:
- Object ID: ALSA 2007.26.01
- Made by: Topley Company
- Model: AT-G6
- Serial Number: Unknown.
- Date Made: Unknown.
- Approximate size: Unknown.
- Accessories: One plastic storage and carrying case. The carrying strap is missing. One plastic rain cape for the instrument. One adjusting pin (small hexagonal wrench) stored in the carrying case. One orange optical cloth in a plastic bag for wiping the instrument’s lens stored in the case. One paper bag of silica gel stored in the case.
- Condition: good
Commentary:
Topcon AT-G6 Automatic Level. It uses a magnetically dampened compensator hung by four special mylar ribbons. The accuracy is plus or minus 2.0 mm in 1 km. This level is relatively new, introduced by the Topley Company in 1990. The Topley Company was established in Japan in 1932. In 2008 it merged with Sokkisha.
Source of Object: Donated by Harvey Cummings, ALS.
Notes: The Society has only one in their collection.
References: Visit article Adieu to the Level Bubble – Automatic Levels for additional information.
Description by: Entered by Ed Titanich on December 19, 2024.