nder for the smoke pipe without interfering with the free operation of the valves. the efficient management of G. W. Whittemore, who has remodeled the bed, retaining little more than the Soap Bubbles. principle of Dr. Crosby's invention. As will be seen by the accompanying illustration, the… … potential difference due to one Le- BUTENSCHON'S COUNTER SCALE. THE CROSBY INVALID BED. clanche cell between the two* bubbles connected to a third beam that is rigidly connected to causes them to unite. They may thus serve as a very by lifting bauds, which, by turning a crank at the head a cross…
Patents · Munn · Contained · Gas · Scientific American · Patented · Copper wire · Compressed oil · Oil gas · Primary coil · American supplement · Post office · Floor plans · Sparking distance · Address munn
Internet Archive · Public domain (published before 1931). Free to use for anything.
