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“Bite-Size Bits of Local, National, and Global History”
Near Encampmant in Carbon County, Wyoming — The American West (Mountains)
 

Thomas A. Edison

 
 
Thomas A. Edison Marker image. Click for full size.
By Roger W. Sinnott, August 22, 2017
1. Thomas A. Edison Marker
Inscription.
Camped near this spot in 1878,
while on a fishing trip.
It was here that his attention
was directed to the fiber
from his bamboo fishing pole
which he tested as a suitable
filament for his incandescent
electric lamp.
Born February 11, 1847 -- Died October 18, 1931
Age 84

 
Erected 1949 by the Historical Landmark Commission of Wyoming.
 
Location. 41° 9.517′ N, 107° 0.583′ W. Marker is near Encampmant, Wyoming, in Carbon County. Marker is on Wyoming 70 (State Highway 70), on the left when traveling west. Touch for map. Marker is about 14 miles west of Encampment, WY, at elevation 9,490 feet on a stretch of road closed in the winter. Marker is in this post office area: Saratoga WY 82331, United States of America.
 
Regarding Thomas A. Edison. What was the workaholic 31-year-old Wizard of Menlo Park doing on a fishing trip in the Rocky Mountains? Already famous for the invention of the phonograph in 1877, Edison had joined the expedition of astronomer Henry Draper to observe the total solar eclipse of July 29, 1878, from Rawlins, Wyoming. During that eclipse, with the Moon blocking direct sunlight, he tried (unsuccessfully) to measure the heat of
Wider View Including the Marker image. Click for full size.
By Roger W. Sinnott, August 22, 2017
2. Wider View Including the Marker
Beyond the marker in the distance is Battle Lake, where Edison fished.
the Sunís atmosphere with a highly sensitive thermometer of his own design. Afterward, members of the expedition explored other places in the Rockies, and it was in this period that Edison camped at Battle Lake, Wyoming, before returning to New Jersey to begin work on the incandescent lamp. Carbonized bamboo fiber wasnít the first material his laboratory tested for use as a lamp filament, but it proved the key to making the light bulb a commercial success.
 
Also see . . .  Electric Lamp. Brief account of how Edison developed the light bulb. (Submitted on August 27, 2017, by Roger W. Sinnott of Chelmsford, Massachusetts.) 
 
Additional keywords. light bulb
 
Categories. Industry & CommerceScience & Medicine
 
Thomas A. Edison image. Click for full size.
Image from Wikimedia Commons
3. Thomas A. Edison
 
 
Credits. This page was last revised on August 28, 2017. This page originally submitted on August 27, 2017, by Roger W. Sinnott of Chelmsford, Massachusetts. This page has been viewed 113 times since then. Photos:   1, 2, 3. submitted on August 27, 2017, by Roger W. Sinnott of Chelmsford, Massachusetts. • Bill Pfingsten was the editor who published this page.
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