Vintage Deadbolt and Doorknob Demonstrator Model by Falcon analog thermometer All pieces are attached to

All pieces are attached to the frame with large staples or wire and include a small thumbtacked note below to explain what each of the pieces are

Crazing on this tin sign

Combination is unknown

but mighty Boston Terrier

Vintage Deadbolt and Doorknob Demonstrator Model by Falcon analog thermometer All pieces are attached toc. 1960s 1970s; Falcon Lock Co. South Gate, CA A vintage demonstrator model by Falcon, designed to showcase the inner workings of a cylindrical deadbolt and doorknob mechanism. Set within a clear sided housing for visibility, the unit features both interior and exterior knobs, a functional latch, and exposed gearing to illustrate lock operation. Likely used in showroom settings, training facilities, or locksmith demonstrations, this model is both a