Brass Food Warmer
Circular box with hinged lid, turn button fastening & brass carrying handle. The main body has 2 rows of holes around it, then has a removable sleeve which also has the same number of holes. It is possible to slide the sleeve sideways thus opening or closing the "vent" holes. Marked underneath, Reliance Metal Spinning & Stamping Co Inc. Apparently they were based in Brooklyn, New York in 1919.
Brass Food Warmer (No. E1692)
Shipping: $12, in addition to the order-level shipping schedule.