Catalogue of O.D. Pierce & Co. manufacturers of and dealers in electrical supplies ... (1893)
O. D. Pierce & Co. · O. D. Pierce & Co. · leaf 66
can also be used for regulating the speed of alternating Fan Motors, DentalMachines, etc., and is highly recommended by the manufacturers of the machines fortins purpose. Made in the following sizes ; No. 1, 50 to 55 Voltage, 16 to 25 Candle Tower, 2, 50 to 55 « 32 to 50 14 3, 100 to 110 16 to 25… … MAIN CUT OUT. 10 A v c .>o ... . - 100 oU BRANCH C OUT ... $ o.» EDISON MAIN AND BRANCH BLOCKS WITH MICA COVER. .... ...So. 1565—7:
