▼ Menu

Unknown

 
    
Extras ▼

 

This exhibit has split pin base pins and is fully silvered inside the glass. No identification of any type can be seen suggesting it once had a paper label around the base. It is possibly of Dutch origin.
The base shell and base pins.
Thanks to Derek L Widdowson for donating this exhibit.
The balloon envelope is 40 mm in diameter, and excluding the B4 base pins is 79 mm tall.
Reference: Observation.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Updated July 30, 2015.
Return to Main Index