Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 313
Coffee strainerSfancf, Coyer \ ^/p^^. … Cur-Out ^^^^^^ Fig. S. Disas.semblcd Coffee PercolatorCourtesy of Westinghouse Electric and Manufacturing Company direct transmission of heat. A regulating switch gives three diff(T-ent heating steps. Coffee Percolator. An electric spray coffee urn, or perco-lator, is illustrated in Fig. 7. At the…
Electrical engineering
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