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| Alphabetical [« »] agitation 1 agreed 2 agreement 1 aid 9 air 14 all 54 allow 2 | Frequency [« »] 10 while 9 action 9 acts 9 aid 9 become 9 carbonic 9 destroyed | Hermann Ludwig Ferdinand von Helmholtz On the Conservation of Force IntraText - Concordances aid |
Part
1 I | levers and cranes, by the aid of which heavy burdens may 2 II | produced in gases by the aid of heat, on a far greater 3 III| them.~This we can do by the aid of currents of electricity. 4 III| smaller quantity than by the aid of the battery which we 5 III| active condition by the aid of any other natural force 6 III| continuously without the aid of any external driving 7 III| could not be produced by the aid of the then known mechanical 8 III| the last century by the aid of the mathematical mechanics 9 IV | only be effected by the aid of heat, and this heat comes