Matches 1 - 4 out of 4

CobaltIP-faceted-search-demo
Match Document Document Title
3625416 APPARATUS FOR THE SELECTION OF CODED ELEMENTS FILED AT RANDOM  
A device having a file tray in which coded cards are filed randomly combines the functions of card selection and card punching. Cards are selected by impressing a code upon a translator which...
3488585 DIGITAL DELAY MEASURING INSTRUMENT EMPLOYING VERNIER PRINCIPLE  
3075303 Educational device  
2947928 Automatic machinist  
Matches 1 - 4 out of 4