|Object Name:||Canberra Indicating Accelerometer|
|Year of Manufacture:||1954|
|Location:||Main Object Store|
Accelerometer, Aircraft, Indicating.
Type No. 3D91
Ref. No. 6A/3451.
Serial No. E.B.L. 125/54
Incorporating Mod. Inst A/278
GAV(R) 132 PSD
Marconi Collection Ref: 2029
A self-contained indicator with in-built acceleration sensor that operate its dial pointers directly. The dial shows aircraft acceleration in 'g' units in the range -4g to +10g. It also has pointers that record max and min acceleration which can be reset by pushing the button at the bottom-left of the bezel.
The back of the instrument.has a ¼-turn locking-knob that can be used to protect the mechanism during transport.
In the various marks:
"EBL R" is Elliott Brothers London Rochester, a name no longer used in 1993 but still employed on Inspectors Stamps.
"GAV (R)" is GEC Avionics Rochester.
"PSD" is Powerplant Systems Division.