oston, are The illustration herewith shows a form of cistern and Mr. Carl Hering, writing to the Electrical World, driving wheels. ‘It is a well-known fact that quantity of electricity The current flowing out of a lamp is exactly the same engine will not be completed until Sept. 1. stood to embody… … peripheral face of the drum by circular guides, concen- the lower end of which is engaged by the head of an- ALLEN’S CISTERN. tric with the axis of the drum. As the drum is re- other bar, the latter being held down, to keep the trap volved the pitman is forced to the position shown in door closed,…
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