[Milsurplus] Another Whatzit

[B. Smith]

Looks like the Azimuth  readout of a celestial Astro Tracker.

k4che


On 6/4/2018 11:08 AM, Robert Nickels wrote:
> I have an for the "Whatzit" contest, see pics at links below. This 
> complete one and another stripped to the geartrain one were in some 
> junk a neighbor gave me.  There are two syncros are Autosyn brand, 
> made by Eclipse-Pioneer Div. of Bendix, Teterboro NJ. There are 
> stickers on each with a s/n and p/n saying "Mfd for AC Spark Plug 
> Div., Milwaukee WI".      The motor is made by Oster Mfg. Co. of 
> Racine WI, labeled "Phase 1 52V, Phase 2 52V 400 cycles", and "Low 
> Inertia".     The fast-turning dial is marked 0-9 and the slow-turning 
> one is marked 0-36 (presumable corresponding to 360 degrees).   The 
> ratio is such that one turn of the fast dial = about .8 increment of 
> the 0-36 one.    The only motive force is applied by the motor, you 
> can turn the wheels by hand but it looks to me like they are only 
> intended to provide a readout to the operator thru a window in a 
> panel, although you can rotate the fast dial like a thumbwheel.
>
> https://i.imgur.com/lXTUlDI.jpg
>
> https://i.imgur.com/lq4SaIg.jpg
>
> Very nicely made cast and machined frame and precision gears, looks 
> like it could have been used in a piece of avionics or fire control 
> gear - anyone recognize it?
>
> 73, Bob W9RAN
>