Richard and Doug Graeme
Richard and Doug Graeme
Electric cap lamps
The electric mine lamps used during mining in Bisbee. Edison Model K, Edison Model P, Edison R4 and Wheat MkII (left to right) They are arranged in the order they were introduced. The Edison Model K first and the Wheat MkII was the last.
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Uploaded on July 23, 2012
Taken on July 23, 2008
Electric cap lamps
The electric mine lamps used during mining in Bisbee. Edison Model K, Edison Model P, Edison R4 and Wheat MkII (left to right) They are arranged in the order they were introduced. The Edison Model K first and the Wheat MkII was the last.
679
views
1
fave
0
comments
Uploaded on July 23, 2012
Taken on July 23, 2008