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Jones Model 310 Multiplier (probably same as Brother 710)

Jones Model 310 (Brother Model 710)
Jones Model 310 (Brother Model 710)

 

Jones Model 310 Internal Construction

Jones Model 310 (Brother Model 710) Jones Model 310 (Brother Model 710)
Jones Model 310 (Brother Model 710) Jones Model 310 (Brother Model 710)
Jones Model 310 (Brother Model 710)
Jones Model 310 (Brother Model 710)

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