318 Dickson and Dickson, The Life and Inventions Thomas Alva Edison, pp, 181-82.
Three years later agreed sell his West Orange laboratory Thomas A. 97.316
Other measuring equipment installed Building included ammeters,
voltmeters, manometers, thermometers, photometers, dynometers, and
tachometers."314
3H Minutes the Board Directors, Thomas Edison Inc.
Building Period 1887-1900
Electrical equipment was brought this building from Edison’s temporary
laboratory the Edison Lamp Company Harrison, New Jersey.316
The latter was galvanometer unique design developed the Edison
laboratory.
This transaction took place May 1930.
Edison’s active managerial role decreased the 1920s progressed. There workbench and two large storage cabinets the
89
., May 1930, vol. Experimental equipment included radiophone, phosphoroscope,
tachograph, and photophome. The six brick piers the west side are
covered with electrical equipment, including galvanometers.317
A photograph taken W. Its basic function was keep elderly inventor
happy and occupied during the last years his life. The
impressive list measuring equipment brought the laboratory December
1887 testament the importance electrical experiments Edison and his
business empire this time. Dickson between 1888 and 1892 provides with a
look inside this building (figure 6). Edison for experimental and development work.K. Several batteries are
placed near and the piers and several sit workbench placed the middle
of the line piers. for the "book value" $165,000 for the land, premises and contents.this knowledge the amusement phonograph because Edison was firmly opposed
to electrical recording.
Edison, Inc. least two deadbeat galvanometers are mentioned the notebook lists.
The project find domestic source rubber gained great deal publicity but
was not commercial endeavor.
317 Notebook N-87-11-9. 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. 1926
Edison’s son, Charles, became president Thomas Edison, Incorporated. The laboratory was described as
"operated Mr.L.
315 Notebook N-87-12-19
