All working, found at my grandparents' house, and of varying age. The oldest is the lamp in the middle, which has a brass base with a blue glass insulator and has the date code "2-G" oddly enough with a dash in the middle. The second oldest is on the right, and already has an aluminium base and a black glass insulator. The date code is not written with a dash anymore at this stage. The newest being the lamp on the left, strangely it has a blue glass insulator again (but not a brass base). Oddly enough, all 3 lamps have a sort of code like "A-08-00075". Who knows what this might mean?
|Lamp Type:||Filament (Incandescent)|
|Service Life:||1000 hrs|
|Fabrication Date:||From left to right: (March 1978 [date code 8C], July 1972 [date code 2-G], Jan. 1977 [date code 7A])|
|Download:||Download this File|
|File Size:||353 KB|
|Date added:||Aug 03, 2020|
|Dimensions:||2464 x 1848 pixels|
|Date Time:||2020:08:03 08:50:08|
|DateTime Original:||2020:08:03 09:38:37|
|Exposure Bias:||0 EV|
|Exposure Time:||1/100 sec|
|Focal length:||3.7 mm|
|Software:||Windows Photo Editor 10.0.10011.16384|
|Favorites:||Add to Favorites|
Better Dead than LED!