The project find domestic source rubber gained great deal publicity but
was not commercial endeavor.
315 Notebook N-87-12-19. for the "book value" $165,000 for the land, premises and contents. Experimental equipment included radiophone, phosphoroscope,
tachograph, and photophome. The six brick piers the west side are
covered with electrical equipment, including galvanometers.
318 Dickson and Dickson, The Life and Inventions Thomas Alva Edison, pp, 181-82.
Edison, Inc.
Building Period 1887-1900
Electrical equipment was brought this building from Edison’s temporary
laboratory the Edison Lamp Company Harrison, New Jersey. Dickson between 1888 and 1892 provides with a
look inside this building (figure 6). Its basic function was keep elderly inventor
happy and occupied during the last years his life. Several batteries are
placed near and the piers and several sit workbench placed the middle
of the line piers. Numerous types galvanometers were installed in
this building: universal, tangent, single coil, double coil, sine tangent, single ring,
dansonial, gaugain, Siemens sine and couple "deadbeat" galvanometers., May 1930, vol.316
The latter was galvanometer unique design developed the Edison
laboratory.L. 97.
Three years later agreed sell his West Orange laboratory Thomas A.
317 Notebook N-87-11-9. Edison for experimental and development work. There workbench and two large storage cabinets the
89
.
Edison’s active managerial role decreased the 1920s progressed. The laboratory was described as
"operated Mr."314
3H Minutes the Board Directors, Thomas Edison Inc. least two deadbeat galvanometers are mentioned the notebook lists. 1926
Edison’s son, Charles, became president Thomas Edison, Incorporated. The
impressive list measuring equipment brought the laboratory December
1887 testament the importance electrical experiments Edison and his
business empire this time.
This transaction took place May 1930.K.317
A photograph taken W.this knowledge the amusement phonograph because Edison was firmly opposed
to electrical recording.316
Other measuring equipment installed Building included ammeters,
voltmeters, manometers, thermometers, photometers, dynometers, and
tachometers
