This is the rare Sunbeam Coffeemaster Service Set with the Brew-Top. It is a true vacuum brewer, with a metal tube extending seven inches from the Brew-Top. See the U.S. Patent for the clip-in filter. It is often lost when this item comes up for sale.
Coffeemaster Brew Top directions & Patent
Coffeemaster ads from introduction in 1936 and an ad from 1937. Click to enlarge.
Directions for Maxwelton Braes Model
provided by Jane Ralston