| 1930 CHARLES CORY SON INC Alternating Current Bell |
| 1950 CARL Track Circuit Using Alternating Current |
| 1935 ALBERT Alternating Current Alarm Patent |
| 1939 ROSTRON Alternating Current Buzzer Patent |
| 1931 HAMMOND CLOCK Alternating Current Clock |
| 1931 LAKE INC Alternating Current Bell Art Print |
| 1931 LEONARD Alternating Current Clock Patent |
| 1946 GILBERT Control Alternating Current Motors |
| 1895 STEINMETZ Alternating Current Patent 3681 |
| 1955 CARETTO Alternating Current Vibrating Bell |
| 1952 JOSEPH A KROLL Alternating Current Clock |
| 1944 CRAVATH Generating Coded Alternating Current |
| 1955 SIGNAL Alternating Current Vibratory Art |
| 1933 FRANK Alternating Current Bells Patent |
| 1924 GEN ELECTRIC Alternating Current Oscillating Motor |
| 1933 ASS Alternating Current Bells Art Print |
| 1891 BILLBERG Alternating Current Motor Patent 12395 |
| 1923 ROHLAND Alternating Current Electric Bell |
| 1935 OSDEL Alternating Current Clock Patent |
| 1955 WERNER Alternating Current Vibratory Art |
| 1938 GEN RAILWAY SIGNAL CO Alternating Current Relay |
| 1933 HAMMOND CLOCK Alternating Current Clock |
| 1946 MESH Control Alternating Current Motors Art |
| 1939 FRANK Alternating Current Directcurrent Clock |
| 1931 ELECTRIC CLOCK CORP Alternating Current Clock |
| 1944 UNION Generating Coded Alternating Current |
| 1930 FEDER Alternating Current Bell Patent Print |
| 1933 LAURENS Alternating Current Clock Patent |
| 1924 GREEN Alternating Current Oscillating Motor |
| 1950 UNION Track Circuit Using Alternating Current |
| 1938 SCHEG Alternating Current Relay Patent |
| 1935 MCTWIGGAN Alternating Current Bell Patent |
| 1955 REEVE Alternating Current Vibrating Bell |
| 1931 LAKE Alternating Current Bell Patent Print |
| 1935 ELEK SK BUREAU AS Alternating Current Alarm |
| 1952 BLOUGH Alternating Current Clock Patent |
| 1962 POTTER Alternating Current Fail Safee System |
| 1931 LAURENS Alternating Current Clock Patent |
| Electrical Machines Direct Alternating Current Siskind |
| Alternating Current and Transformers Lessons on CD |
| ALTERNATING-CURRENT MACHINERY. BAILEY & GAULT. HC/VG |
| Direct and Alternating Current Circuits by Bernard G... |
| Kendrick & Davis Alternating Current Demagnetizer 110V |
| Lionel Multivolt Toy Transformer B Alternating Current |
| Rare*1914*Electrical Manual Direct &Alternating Current |
| ALTERNATING CURRENT CIRCUITS 1925 FIRST EDITION |
| Alternating Current and Transformers Lessons on:CD ^ |
| Instruction Book For Lister On Alternating Current |
| OLD ANTIQUE GE ALTERNATING CURRENT VOLT METER VOLTMETER |
| LINE VOLTAGE REGULATOR-ALTERNATING CURRENT VOLTS |
| VINTAGE ALTERNATING CURRENT ELECTRIC MOTORS by Lamkey |
| General Electric Alternating Current AC Voltmeter Volts |