Surface mountable guage cover Designer (Person) Unknown Manufacturer Unknown Date 1910 - 1940 (circa)
Military cockpit dimmer switch Designer (Person) Unknown Manufacturer Unknown Date 1930 - 1950 (circa)
Switch component Designer (Organisation) Ward and Goldstone Manufacturer Ward and Goldstone Date 1920 - 1960 (circa)
Vulcanite backcomb Designer (Person) Unknown Manufacturer Dalee Duplex Comb Company Date 1861 - 1901 (circa)