1. Motorized turret lathe by Potter and Johnson, their name imprinted on the machine. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
2. Motorized turret lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
