Chapter 6

INVENTION OF THE "GEORDY" SAFETY-LAMP.

Frequency of colliery explosions--Accident in the 89-108 Killingworth Pit--Stephenson's heroic conduct--A safety-lamp described--Dr. Clanny's lamp--Stephenson's experiments on fire-damp--Designs a lamp, and tests it in the pit--Cottage experiments with coal-gas--Stephenson's second and third lamps--The Stephenson and Davy controversy--Scene at the Newcastle Institute--The Davy testimonial--The Stephenson testimonial--Merits of the "Geordy" lamp