Filament fibre, part of a series illustrating the "Svea" glow lamp
- Made:
- 1900
One of a series of 20 bulbs and components illustrating the manufacture of the "Svea" glow lamp; raw fibre for making filament ready for 'flashing'.
One of a series of 20 bulbs and components illustrating the manufacture of the "Svea" glow lamp; raw fibre for making filament ready for 'flashing'.