Description:
- Object ID: Plane Table: ALSA 2010.06.03 and Tripod: ALSA 2919.06.02
- Made by: Unknown.
- Model: n/a
- Serial Number: n/a.
- Date Made: Unknown.
- Approximate size: Plane table: 38 cm X 38 cm X 1.5 cm . Tripod: 132 cm long.
- Accessories: canvas bag.
- Condition: Fair
Commentary:
The wooden plane table has four brass thumb nuts at the corners to hold the paper sheet. On one side of the table is a trough compass which is used to orient the table to magnetic north. On the wood bottom of the table is a brass 7.5 cm diameter mounting plate which affixes to the tripod. Also on bottom is stamped “5200B, 446, 44 – 78” and a small logo is below the plate. The canvas bag for the plane table is 43 cm X 39 cm.
The wooden tripod can be affixed to the plane table by a single thumb screw through the centre of the base plate of the tripod. There is a broken leather strap attached to one of the legs of the tripod..
The accession for these objects also included an open-sight alidade (ALSA 2020.06.04) and an alidade (ALSA 2010.06.07).
Source of Object: Donated by Steve Cherwonick, ALS#238.
Notes: The Society has one other plane table with a tripod in their collection.
References: Visit article The Survey Instrument Captain Cook Wanted to Learn – The Plane Table and Alidade for additional information.
Description by: Entered by Ed Titanich on December 23, 2024. Gordon Olsson on February 1, 2026.