d to elec- in drawers. Among others, one tool for cutting out of records is required. This is carried out on the card a hemispherical cavity in a copper block, used in the tricity, and contains a large quantity of the most ad- catalogue system, all work being fully recorded, in- galvanometer, soon… … PHOTOMETRIC AND EXPERIMENTAL DEPARTMENT. plete account of all that this room It may be worth while at this contains. From the cut a very good time of year to call attention to a makers, and of galvanometers, reflecting and quadrant, idea of its general arrangement may be obtained. simple and easy…
Patented · Apparatus · Patents · Contained · Plow · Scientific American · Munn · Switch block · Sheet metal · Address munn · Coupling pin · India rubber · American supplement · Express money · Horse power · War ship
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