Oldham-Wheat Electric Cap Lamp

This is a type Q Oldham Wheat mining lamp that was made in 1935. The Wheat lamp is connected to a large Oldham & Son Ltd. battery box with thick black rubber wire. The inscription on the lens cover reads, "OLDHAM WHEAT ELECTRIC LAMP BY OLDHAM & SON LTD. DENTON, MANCHESTER PATENTS PENDING." On the back of the battery box is a metal plate with the inscription: "THE FIRST OLDHAM WHEAT / MINE LAMP PRODUCED BY / OLDHAM & SON LTD. / DENTON, MANCHESTER ENGLAND / PRESENTED TO GRANT WHEAT / Oct 26th 1935 By H. Holt Jr."
The Koehler Manufacturing Company of Marlborough, Massachusetts began producing Grant Wheat’s electric cap lamp in 1919. In 1935 Wheat licensed his design to Oldham & Son Ltd. of Manchester, England. This lamp was made to commemorate the agreement between the two companies. The lamp belonged to Grant Wheat's personal collection that was donated to the museum in 1962.
Currently not on view
battery: 7 in x 4 11/16 in x 1 13/16 in; 17.78 cm x 11.938 cm x 4.572 cm
wire: 46 1/2 in; 118.11 cm
light: 3 1/2 in x 3 1/2 in x 3 3/8 in; 8.89 cm x 8.89 cm x 8.636 cm
ID Number
accession number
catalog number
Credit Line
Mary R. Wheat
See more items in
Work and Industry: Mining
Industry & Manufacturing
Grant Wheat Collection
Mining Lamps
Data Source
National Museum of American History


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