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Although not strictly a radio or radio part manufacturer, I am including the Varley Duplex Magnet Company due to their closely related products.

The 20th Annual Report of the Commissioner Made to the General Assembly of the State of Rhode Island, directory of manufactures, 1907, Varley Duplex Magnet Company is listed in Phillipsdale, RI.1 There is also a 1901 ad in the “Electrical Review” placing it in Phillipsdale.2



In order to pin down exactly where Varley Duplex Magnet Company did business, I had to resort to Patent information. This came in the form of when the Patent was filed for, where the inventor was located and where the company was located. This is the breakdown.


Patent Invention Applied For Inventor Inventor Location Company Company Location
US686561 BATTERY GAGE 1901 CHARLES R. UNDERHILL MONTCLAIR, NEW JERSEY ASSIGNOR OF ONE HALF TO THE VARLEY DUPLEX MAGNET COMPANY NEW JERSEY
US807133 WINDING MACHINE 1902 A. D. SCOTT PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US728183 PROCESS OF WINDING ELECTRICAL COILS 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US733609 PROCESS OF WINDING FLAT WIRE 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US734778 ELECTRICAL HELIX 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US736178 PROCESS OF COVERING WIRE 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US736319 ELECTRIC COIL 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US743779 PROCESS OF WINDING ELECTRICAL GOILS 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US744650 ELECTRIC COIL TERMINAL 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US748442 VIBRATOR FOR INDUCTION GOILS 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US757524 INDUCTION 0011. 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US776705 INDUCTION COIL 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US789465 PAPER SLITTING MACHINE 1903 R. VARLEY & A. BAUSCH PROVIDENCE, RHODE ISLAND/JERSEY CITY, NEW JERSEY, VARLEY DUPLEX MAGNET CO. NEW JERSEY
US798641 MACHINERY FOR MAKING ELECTROMAGNETS 1903 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US743737 TAPPING MACHINE 1903 R. C. LEWIS STAMFORD, CONNECTICUT VARLEY DUPLEX MAGNET CO. NEW JERSEY
US757526 LOCK NUT 1904 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US757527 VIBRATOR FOR INDUCTION GOILS 1904 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US757792 CIRCUIT CONTROLLER FOR INDUCTION COILS 1904 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US762776 INDUCTION COIL VIBRATOR 1904 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US772591 INDUCTION COIL 1904 R. VARLEY PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US775665 CIRCUIT CONTROLLER 1904 A. D. SCOTT PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US779231 INDUCTION COIL 1904 A. G. MEYERS EAST PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. PHILLIPSDALE, RHODE ISLAND
US1068825 WINDING MACHINE 1904 A. D. SCOTT PROVIDENCE, RHODE ISLAND VARLEY DUPLEX MAGNET CO. NEW JERSEY
US899770 IGNITION SYSTEM FOR EXPLOSION ENGINES 1907 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US915390 IGNITION SYSTEM FOR EXPLOSION ENGINES 1907 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1167720 MACHINE FOR WINDING COILS 1910 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1047899 COIL FORMER 1911 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1064936 WIRE STRETGHING DEVICE 1911 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1073059 METHOD OF MAKING COILS 1911 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1073060 ELECTRIC COIL 1911 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1110086 POWER SYSTEM FOR AUTOVEHICLES 1911 R. VARLEY & W. W. MAGFARREN ENGLEWOOD, NEW JERSEY, PITTSBURGH, PENNSYLVANIA VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1047721 APPARATUS FOR MAKING COILS 1912 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1072279 STARTER APPARATUS AND SYSTEM FOR AUTOVEHICLES 1912 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1129147 POWER SYSTEM FOR AUTOVEHICLES 1912 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1167721 MANDREL FOR WINDING COILS 1912 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1167722 METHOD OF WINDING AND THE PRODUCT THEREOF 1912 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1177370 ELECTRICAL SYSTEM FOR AUTOVEHICILES 1912 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1185151 ELECTRICAL SYSTEM FOR AUTOVEHICILES 1912 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1261074 POWER SYSTEM 1912 R. VARLEY & W. W. MAGFARREN ENGLEWOOD, NEW JERSEY, PITTSBURGH, PENNSYLVANIA VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1146976 IGNITION APPARATUS 1913 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1172909 SYSTEM FOR AUTOVEHÍCLES 1913 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1198794 ELECTRICAL SYSTEM 1914 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1172910 MANDREL FOR WINDING COILS 1915 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1361651 BATTERY PROTECTING DEVICE FOR CHARGING AND LIGHTING SYSTEMS 1919 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1482167 CIRCUIT CONTROLLER 1919 R. VARLEY EAST ORANGE, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1427509 WINDING MACHINE 1920 J. C. ANDERSON EAST ORANGE, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1438003 ELECTRICAL SWITCH DEVICE 1920 R. VARLEY EAST ORANGE, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1485098 AUTOMOBILE ALARM SYSTEM 1920 R. VARLEY EAST ORANGE, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1525420 ELECTRIC CONTROLLING DEVICE FOR AUTOMOBILES 1921 R. VARLEY EAST ORANGE, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1528590 HEADLIGHT CONTROL 1921 R. VARLEY EAST ORANGE, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1593230 ARMATURE FOR MAGNETOS AND THE LIKE 1921 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1534813 WINDING MACHINE 1923 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1589435 MECHANISM FOR CONTROLLING THE UNWINDING 0F STRAND MATERIAL AND GUIDING THE SAME 1923 A. D. SCOTT JERSEY CITY, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1658911 MOTOR DRIVEN VEHICLE 1923 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1659062 COIL MOUNTING 1926 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY
US1662765 ADJUSTABLE 00 IL MOUNTING 1926 R. VARLEY ENGLEWOOD, NEW JERSEY VARLEY DUPLEX MAGNET CO. NEW JERSEY





1 The20thAnnual Report of the Commissioner Made to the General Assembly of the State of Rhode Island.

2 Electrical Review, 1901