Description:
- Object ID: ALSA 2007.12.01
- Made by: Tellurometer (PTY) Limited
- Model: MRA 2
- Serial Number: 336
- Date Made: The MRA 2 was introduced in 1960.
- Approximate size: Height = 38 cm., Widths = 30 cm. X 32 cm.
- Accessories: Metal cover for the control panel inside which the reflecting dish and dipole antenna is placed when the tellurometer is packed up. A 12 cm. dia. metal disc which hold the metal cover in place when it is packed up. A black rubber shield used on the CRT (Cathode Ray Tube) screen to facilitate viewing. A microphone headset used for communicating with the other remote instrument. A battery cable for electrical connection to a car battery. A backpack and a metal box containing various spare electronic parts, a spare cathode ray tube, etc.
- Condition: Good
Commentary:
The MRA2 incorporated both the Master function and the Remote function in one instrument. This enabled measuring a line from both ends without having to move the instruments.
This is one of five units, all donated by Ken Carlson, Carlson Surveys Ltd. They were used from 1969 to 1979 in the high Arctic to monitor ice movement, and to establish survey control points which were used to locate Pan Arctic wellsites from 1969 to 1979.
Source of Object: Donated by Ken Carlson, Carlson Surveys Ltd.
Notes: The Society’s collection also has 4 other MRA 2s, ALSA 2007.12.02, ALSA 2007.12.03, ALSA 2007.12.04 and ALSA 2007.12.05 all donated by Carlson Surveys.
References: Visit article “The Skill of Chaining would be lost” – The Tellurometer and Sturman and Wright, The History of Tellurometer. for additional information.
Description by: Ed Titanich, October 25, 2004. and Gordon Olsson, December 1, 2025.