Name/Title
Microscope (Cal-Oxyhydrogen)Entry/Object ID
2013.3.59Description
An early sketch showing the way in which the lime-light projector was made ready for use. One of the bellows was filled with oxygen, the other with hydrogen. The pressure exerted by the weights was sufficient to force these gases from the nozzles within the hood. Knight's Dictionary (1877) describes the Oxyhydrogen Lamp as an improvement over the Oxycalcium light in these words, "one in which streams of oxygen and hydrogen in regulated quantities are commingled, the resulting flame being directed on a ball of quicklime and forming an extremely bright light; now used very largely by lecturers on science to illustrate phenomena, and by exhibitors to project pictures upon a screen."