[Heatercathodeshort]

A few more from my collection.

1. A CRYSELCO 150W opal lamp date unknown [1940's?]

2. A Robertson 250W carbon heater bulb for very early electric fires. Marked
'Property of the GEC Lampworks.'

3. Ancient carbon filament top pip. Found in a very old garage lead light with
wood handle /Aluminium shade.

4. 60W drawn wire cage filament. Top pip.

5. Very early carbon filament top pip discovered in the 1960's in an outside
toilet during demolition of street.