I've been clearing out my late Grandfathers garage and he has all manner of weird and wonderful things in there...

Anyone know what these are? I've had a few guesses from people already but none seem to be right...







Thanks

James

Have you seen the DaVinci Code?

!

Mike

Do they hold the secret of the holy grail?

the code is APPLE by the way.

s

beaten to it ....

an early pocket calculator ?

for calulating metric to imperial ?

ditch

If I told you I would have to kill you.

Mmm Never seen anything like them but they do look engineering based.
I'm guessing they measure either time or angles based on the theory that the bottom big wheel scales are going 0 20 40 0 so either minutes/ seconds or degrees/minutes.

Cuff Links for the engineer!

We have that worktop to

Code wheels for the enigma machine ? They look like something to do with surveying equipment for theodolites.

light sabres?

poke your fingers in the ends and see if they get stuck!

Do you set the dials right, drop an imperial bolt/nut into the top, and it comes out of the bottom in metric?

Valve height micrometers?

Valve Height Micrometer