Vintage Gilbert Wind Up Interval Timer

Vintage Gilbert Interval Timer, Mechanical, Wind-up Timer Made In USA Black metal case and a black dial with white numbers and hands. Case does show some wear/ rusting at base. See photos. Used in industrial settings, such as for X-ray machines or in darkrooms for photography development. Maximum duration of 10 minutes, as indicated on the dial. #VintageGilbertIntervalTimer #VintageIntervalTimer #darkroomtimer #vintagetimer #vintagedarkroomequipment #intervaltimer