Info

0460001299

Mercury vacuum pump being used to evacuate (exhaust) light bulbs on commercial scale c1883. Pump here is Geissler's as modified by Topler and was type used by the Swan Company. From R. Wormell 'Electricity in the Service of Man' London 1896. Engraving

Add to Cart
Filename
0460001299.jpg
Copyright
Irish Photo Archive
Image Size
3859x4500 / 6.2MB
Contained in galleries
Recently uploaded historical photos 5
Mercury vacuum pump being used to evacuate (exhaust) light bulbs on commercial scale c1883. Pump here is Geissler's as modified by Topler and was type used by the Swan Company.  From R. Wormell 'Electricity in the Service of Man' London 1896. Engraving