Coffee Maker Review

Percolators began to be developed from the mid-nineteenth century, with James Nason patenting a version in Massachusetts in 1865. In both biggin and percolator devices, however, similar functional requirements are central: gravity or pressure is used to move water into contact with coffee for a sufficient amount of time to infuse an acceptable amount of flavor, and then those same forces act to remove the brewed coffee from the grounds, which to the greatest extent possible, are kept separate from the finished product. Domestic electrification simplified the operation of percolators and vacuum systems and made them ubiquitous in American homes. A critical element in the success of the electric coffee maker was the creation of safe and secure fuses and heating elements. In an article in House Furnishing Review, May 1915, Lewis Stephenson of Landers, Frary and Clark described a modular safety plug being used in his company’s Universal appliances, and the advent of numerous patents and innovations in temperature control and circuit breakers provided for the success of many new percolator and vacuum models. Notable new models included Farberware’s Coffee Robot (introduced in 1937), the Knapp-Monarch Therm-a-Magic (1931), and the very popular Sunbeam Coffeemaster introduced in 1940. Sunbeam was one of the first manufacturers to move away from the all-glass construction (prized for maintaining purity of flavor), to nickel-plated copper.

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