US Patent: 674,029 
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| Igniter or Circuit Breaker
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	        Patentee:
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 | William G. Stolz (exact or similar names) - Brooklyn, Kings County, NY |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Feb. 05, 1901 | 
 
| Granted: | 
May 14, 1901 | 
 
 
 
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                        Joel Havens "Vintage Machinery" entry for Conger Mfg. Co. 
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        Description: |  
| Abstract: 
The present invention has reference to that class of electric igniting devices or circuit- breakers applied to explosive engines or motors; and the object thereof is to materially improve and simplify the operating mechanism, whereby two cylinders may be ignited with a single vibrating device, thus dispensing with the usual vibrating device on the primary induction-coil. 
Claim: 
In an igniting device, a contact point or points, a circuit-closer, and a rotatable wheel or disk having two corrugated or serrated surfaces extending respectively on a plane above and below the plane of the periphery of the wheel or disk, and means upon the circuit-closer to operate in Convection with the corrugated or serrated bearing-surfaces. |  
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