| Query | User |
|---|---|
| alexander bain clock | entered by user 3537059 |
| charles proteus steinmetz | entered by user 5848431 |
| chemical supplies | entered by user 9108783 |
| famous scientist | entered by user 511197 |
| famous scientist 1700 | entered by user 3085465 |
| famous scientists | entered by user 2157184 |
| famous scientists | entered by user 2381968 |
| hans christain orsted | entered by user 18642051 |
| history of hood rubber co. | entered by user 16773380 |
| kordesch | entered by user 7912554 |
| kordesch | entered by user ditto |
| millikan | entered by user 4046373 |
| otis boykin | entered by user 14595220 |
| pictures of galvanometers | entered by user 4732101 |
| samuel morse family history | entered by user 1058912 |
| steinmetz | entered by user 7054061 |
| telegraph coil | entered by user 800724 |
| telegraph coil | entered by user ditto |
| telegraph induction coil | entered by user ditto |
| the invention of the high frequency radio | entered by user 533304 |
| william hyde wollaston | entered by user 22917763 |
| wimshurst machine | entered by user 800724 |