$5,333
Brass Heliostat by R. Fuess, Berlin, the 6 in. dia. lead-filled brass base engraved in script R. Fuess Berlin and faintly stamped Dept. 213 , three leveling screws, clockwork driven equatorial mount with semi-circular scale calibrated 0-30 and 0-90, weighted and adjustable stage for the 18 1/2 x 6 in. planar beveled mirror, approximate ht. as shown 11 in. Brass in old oxidized finish, some surface rust on steel screws and components, beveled mirror chipped in one corner, lacking mirror drive arms.
Auctioneer:
Skinner
Date:
2010-05-01