ests have to be applied. These must be accurate to possess any value. In many in- stances also the quality and composition of the mate- rials used have to be investigated. The laboratory we illustrate is the embodiment of such ideas. It includes, for constructive purposes, a selection of the… … (Continued on p. 290.) PHYSICAL LABORATORY AND DEPARTMENT OF GENERAL TESTING WORK. chemical laboratory, with all the concomitants. In its four main rooms and in its offices and smaller apart- ments everything is contained that can aid the inventor in quickly bringing his ideas into concrete form…
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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