"Brass Medical Warmer With Sticks And Flints Included, 1937. Signed 'siegfried'"
A brass bath heater with stick and flint included, 1937. Signed on the bottom with "Siegfried / DDD / MCMXXXVII" with a pharmacy aesculapius on top. The heater was used by cupping. This is a method of creating a vacuum by plugging the cotton swab soaked in alcohol by moving it over the flint and applying it to the skin.