Preparing to launch a torpedo, view in gas worss; drawing coke from the retorts
Section to show the process of the manufacture of illuminating gas
Machinery for filling bottles with artificial mineral water
Excavations carried on at night by aid of electric light
Arctic explorers employing dynamite to pen a channel through the ice
Display of fireworks on the seine, Paris
Section of chambers for manufacture of sulphuric acid
Sketch lllustrating the process of refining sulphur
Photographer at work in a room lighted through a window of red glass
Microscopic despatches, received in Paris by carrier pigeons, enlarged by the magic lantern
Bottling natural mineral water
Reservoirs where sea water evaporates, leaving salt


(IB)