Old Coffee Roasters
Model "C" Model "A" 37 CoffeeMaster C30C C20B
Yes they really do exist, and it's a Sunbeam!
Click image to view directions
Directions for C30 Coffeemaster
Directions for the Sunbeam Glass Vacuum Brewers
produced in the late '30s
Sunbeam 1st introduced the C20 Coffeemaster