| 1942 ALLIS CHALMERS CO Electric Timing System |
| 1942 LASKEY WILLIAM Timing Device Patent Print |
| 1942 GEN RAILWAY SIGNAL CO Timing System Patent |
| 1942 LITTLE ROBERT Timing System Patent Print |
| 1942 FREDERICK Alarm Timing Device Patent Print |
| 1942 HAROLD Electric Timing System Patent Print |
| 1942 KERSTEN SARAH Timing Control Patent Print |
| 1942 BELL TELEPHONE LABOR INC Timing Art Print |
| 1942 GALLAGHER Electrical Timing Art Print |
| 1942 LUCIA LOUIS Timing Device Patent Print Art |
| 1942 INT REGISTER CO Timing Mechanism Patent |
| 1942 KISTLER Timing Chemical Reactions Art |
| 1942 GEORGE W BORG CORP Watch Timing Art Print |
| 1942 JOSEPH Timing Device And Method Patent |
| 1942 SMITH FRANK Timing Mechanism Patent Print |
| 1942 YOUNG HOMER Radio Timing Device Patent |
| 1942 INT REGISTER CO Electrical Timing Art |
| 1942 GIBBS Watch Timing Apparatus Patent Print |
| 1942 GALLAGHER Timing Mechanism Patent Print Art |
| 1942 LUX CLOCK Alarm Timing Art Print Patent |