nite volume of gas meas- spilling and wasting of the' oil is prevented. The can Berliner's invention is concerned with a new method- ured at atmospheric pressure and under a negative is provided with a pump, the piston-rod of which is of producing gramophonic records. The invention pressure. Small… … tions of the diaphragm of the transmitter are utilized in this way glowed so brilliantly as to suggest the COMBINED OIL-CAN AND PUMP. to effect corresponding movements in the parts carry- possibility of applying it to practical illuminating pur- ing the reproducing styli in contact with the cylin-…
Nernst · Patents · Incandescent · Air · Lamp · Nernst lamp · Scientific American · Compressed air · River bridge · Nernst lamps · Incandescent lamps · Horse power · East river · Rain gage · Rapid transit
Internet Archive · Public domain (published before 1931). Free to use for anything.
