| 1943 JOSEPHUS Musical Instrument Patent Print |
| 1943 LUNDEN Electric Impulse Time Instrument System |
| 1943 DARKE Photoelectric Musical Instrument Art |
| 1943 MCBRIDE Stringed Musical Instrument Patent |
| 1943 CAMERON Navigation Instrument KIDNEY Patent 28912 |
| 1943 GILNER Design Drafting Instrument Patent 44900 |
| 1943 NEWTON Instrument Field Testing Set Patent |
| 1943 STANDARD Electric Impulse Time Instrument System |
| 1943 JOHNSON Surveying Instrument Novelty Patent 28910 |
| 1943 BALDWIN CO Electrical Musical Instrument |
| 1943 WITMER Circuit Controlling Instrument Art |
| 1943 MUELLER Musical Instrument Etc Patent |
| 1943 STANDARD PRODUCTS CO Plastic Instrument Case |
| 1943 BARNETTE Plastic Instrument Case Patent |
| 1943 JOY Fire Control Instrument Patent Print |
| 1943 GREEN Design Instrument Navigational Patent 44899 |
| 1943 HANERT Electrical Musical Instrument Patent |
| 1943 UNION Circuit Controlling Instrument Art |
| 1943 POWELL EDWARD Musical Instrument Patent |
| 1943 KOCK Electrical Musical Instrument Patent |
| 1943 HAMMOND INSTR Electrical Musical Instrument |
| 1943 CENTRAL COMMERICAL Musical Instrument Art |
| 1943 BEAUCHAMP Stringed Musical Instrument Art |
| 1943 GILLIE Musical Wind Instrument HORNE Patent 25584 |
| 1943 RCA CORP Photoelectric Musical Instrument |
| 1943 LAURENS Electrical Musical Instrument Art |
| 1943 KOEHL JAMES Musical Instrument Patent Print |
| 1943 CHARLES Optical Instrument Patent Print Art |
| 1943 KOWALSKI Fire Control Instrument Patent |
| 1943 GROSSMAN MUSIC Musical Instrument Art |
| 1943 BARTH PAUL Musical Instrument Patent Print |
| 1943 ARMY AIR FORCES BASIC INSTRUMENT FLYING MANUAL |
| 1943 WWII Aircraft Instrument DUAL OIL B-17 B-24 B-29 |
| VINTAGE 1943 Aircraft Instrument DUAL OIL for B-17 B-29 |
| 1943 Aircraft Instrument 3 & 4 DUAL OIL B-17 B-24 B-29 |
| 1943 Application for AIRMAN INSTRUMENT RATING |