| 1932 JAMES Automobile Theft Alarm Switch Patent |
| 1932 ADAMS Alarm Clock Controlled Switch Patent |
| 1934 ELBERT Alarm Clock Electric Switch Patent |
| 1922 JOHANNES Automatic Acting Alarm Clock Switch |
| 1936 LLOYD T BROWN Alarm Operated Switch Patent |
| 1940 MADISON Combined Alarm Clock Switch Art |
| 1936 PRICE Fire And Theft Alarm Switch Patent |
| 1931 TRAGER Time Alarm Switch Operating Mechanism |
| 1947 BOHMAN Alarm Clock And Switch Patent Print |
| 1936 HENRY Alarm Clock Electric Time Switch Art |
| 1926 KOLLING Theft Alarm Switch Automobiles Art |
| 1924 WILLIAMSON Automobile Theft Alarm Switch |
| 1931 DE JEU Alarm Time Switch Patent Print Art |
| 1947 TELECHRON INC Alarm Clock And Switch Patent |
| 1949 RORABAUGH Alarm Clock Actuated Electric Switch |
| 1940 ORMSBY Bumper Alarm Switch Patent Print Art |
| 1943 ELECTRIC ALARM INC Inertia Switch Art Print |
| 1936 OSCAR Alarm Operated Switch Patent Print |
| 1930 TIMMONS Alarm Switch Automobiles Safes Like |
| Vintage Simplex Fire Alarm Switch |
| Ademco Roller Ball Contact/Alarm Switch Lot of 4 NEW |
| ART DECO era NEW HAVEN ALARM CLOCK Radio Time Switch |
| Magnetic Contact Door Window Alarm Switch - LOT OF 25! |
| Magnetic Contact Door Window Alarm Switch - LOT OF 5! |
| Lot of 5 Burglar Alarm Switch Tamper Window Radio Shack |
| Ademco Roller Ball Contact/Alarm Switch Lot of 4 NEW |
| LINCOLN FAILURE ALARM MICRO SWITCH #83899 -NEW |
| Fire Alarm Notifier Flow Switch |
| US NAVY DIVING HORN “AOOOOGA” PLUS GENERAL ALARM SW |
| 2 Pin Switches Auto Door Hood Alarm Security Switch RV |
| NEW EDWARDS FIRE ALARM SIGNAL HANDLE SWITCH CONTROL |
| Radio Shack Door Window Alarm Mini Magnetic Switch NEW |