wot ID: 70
Early, very rare, wonderful astronomical clock
hermetic, internal pressure-constant glass tank with valve
brass pillar movement with Riefler spring impulse escapement, "S.(Sigmund) Riefler München,
D.R.P. (Deutsches Reichs Patent) , No. 50739, D.R.P. No. 100870, No. 70, 1902"
original dial and hands, Regulator dial with 24-hour display at "6", minute display from the center and seconds display at "12". Clip in the dial for inspection and cleaning of the contacts and of the waste.
rare and nice collector's item, Stylish and museum-like object
1902 delivered to the Naval Observatory - Washington DC
very nice condition
For information only, not for sale