>>12303168
Photo is not OC. From Lufwaffe website. Airplane part.
Designation: built-in clock
Requirement mark: Fl.23889
Type: Bo U-bi
Manufacturer: Wempe, Hamburg
Year of construction: around 1940
Particularities:
For row builder on-board cameras Rb 12.5 / 7 × 9, Fl 38008
37 mm aluminum housing with heating
Urof Cal. 584
https://www.deutscheluftwaffe.de/fl-23889-einbauuhr-bo-u-bi-1940
Somebody asked for sauce. None was provided, or context. This is what I found. Take it for what it is. I am.
Specifically, it would appear to be a clock for WW2 German Luftwaffe Aerial Reconnaissance Camera, Reihenbildner Rb 32 / 7x9
See:
https://www.worthpoint.com/worthopedia/ww2-german-luftwaffe-aerial-1852932990
Entgeshunge mich, mein Deutsche ist kaput. I have no idea what flugzeug this is from.