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