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Electromechanical and early electronic calculating mechanisms

woodchips

Experienced Member
Joined
Nov 4, 2012
Messages
423
Location
UK
Having a clearout to get some room back, and a number of more unusual items for sale.

Ground Position Indicator, GPI, Mk6 as used in the later Vulcan, possibly Canberra, £200.

GPI Mk4A, older version of the Mk6, £60.

Surface movement corrector for the GPI Mk4A, used to correct the radar air speed due to the movement of waves over sea, £50.

Test set for ADRIS, automatic dead reckoning instrument system, £60.

Couple of dynamotors, £30.

These tend to be heavy so collection preferred, essential for GPI Mk6, form Grantham, also can only be sold to UK citizen due to being ex-MoD.

Not certain if any interest, will post photos if wanted.
 
I'd love to see pictures of these things if you get a chance to take them just to see what they look like!
 
Photos.

ADRIS x2, Singer Friden 1162 calculator, GPI Mk4A x3, SMC x2 and GPI Mk6.
 

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