EDM, Tellurometer, MRA 2

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:
  1. Two metal covers, one which covers the right side of the Tellurometer and the other which covers the left side. The left side of the instrument is the control panel and the CRT (Cathode Ray Tube) screen, and the right side gives access to the inside when repairs or maintenance are required.
  2. One dipole antenna, stored in the left instrument metal cover.
  3. One metal microwave reflecting dish also stored in the left instrument metal cover.
  4. One 12 cm. dia. metal disc which covers the dipole antenna and microwave dish receptacles at the front of the instrument when it is in transit or storage.
  5. One black rubber shield used on the CRT (Cathode Ray Tube) screen to facilitate viewing.
  6. One microphone headset used for communicating with the other remote instrument.
  7. One Battery Cable for electrical connection to a car battery.
  8. One canvas backpack with an external metal frame.
  9. One metal “Spare Parts Box” (Height 7.5 cm., Widths 23 cm. X 12 cm.) with a leather strap. Inside the Spare Parts Box are the following:
     A. One CRT (CATHODE RAY TUBE).
     B. One (CV 2116 KB/MR, XD) tube (Made in England) in sealed plastic bag
     C. One (CV287 K/Q VALVE ELECTRONIC G) tube in a small carboard box
     D. One (JTL-6AK5 TUNG-SOL, 339) tube in a small cardboard box.
     E. Two (PHILIPS 85A2 MADE IN HOLLAND) tube in a carboard wrap.
• Condition: good