| Show scein seeing ab inside of a boiler at last years to iris london exposition ot of inventions there was a working 0 steam boiler the interior of which was illuminated lumina ted by electricity the whole apparatus used for this pull purpose pose consists of a little battery outside of bf the ilia boiler which is connected with incandescent inc ln lights c screwed to tile the interior walls of tile the ste steam am space above the water level and encased in C bulbs while a second wire ends in a lead leading hio c button outside of the boiler strong sti on c double observing glasses are lot let into a brass rim sot set into the end of the ilia wall odthe of alic boiler if the current is closed by by pres pressing qing the button buttell a against ainest the metallic net allic boiler wall then the the incandescent lamps begin to glow and in light the interior of the boiler it is hoped by this means of observing the process of beatin heating water and tile the production and withdrawn withdrawal I 1 of stearn steam to t gain ain material knowledge knowledg c and advantages ta 0 c s for steam using this arrangement arjang b 0 may may prove important for other processes also for instance in sumitr sugar making to note how the cookin cooking and simu simmering lerin of the matte materials rials proceeds modern light and heat fleat |
