Experimental observations, and improvements in apparatus and manipulation : with theoretical suggestions respecting the causes of tornadoes, falling stars, and the Aurora borealis (1836)
Hare, Robert, 1781-1858 · Philadelphia, Printed by James Kay, Jun. & Brother · leaf 75
ing edges are made to enter a groove in the wood, being secured therein by ce¬ ment. For each inch in the length of the trough there are three pairs. In the series represented by Fig. 1, there are seven hundred pairs of seven inches by three ; in that represented by Fig. 2, one hundred pairs of… … Galvanic Deflagrator of seven hun hed pa'rs, of seven inches by three. R
University of Pennsylvania. Department of Medicine · Scientific apparatus and instruments -- Design and construction · Acids · Chemistry · Whirlwinds
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