. Canada's metals; a lecture delivered at the Toronto meeting of the British association for the advancement of science, August 20, 1897 . usfluid. Water flows readily through a fine vertical pipeand its continuous stream soon breaks into character-istic drops and tiny droplets. By the aid of what is called instantaneous photo-graphy, several experiment-ers, among whom Lord Ray-leigh and Professor Boys * f may be specially mentioned, # ^ have taught us how to study^ * such water drops. For the purposes of this lecture I • have photographed for you a• stream of molten gold issuing from a fine p
. Canada's metals; a lecture delivered at the Toronto meeting of the British association for the advancement of science, August 20, 1897 . usfluid. Water flows readily through a fine vertical pipeand its continuous stream soon breaks into character-istic drops and tiny droplets. By the aid of what is called instantaneous photo-graphy, several experiment-ers, among whom Lord Ray-leigh and Professor Boys * f may be specially mentioned, # ^ have taught us how to study^ * such water drops. For the purposes of this lecture I • have photographed for you a• stream of molten gold issuing from a fine pipe in the cruci- A, B. ble containing the molten FIG. I. Comparison between, ^etal, the Stream beingillu- t^:TTue:lStltJ° n^inated by a bright instan- taneous electric spark. If theimage of the gold stream and the water stream beprojected, side by side, on the screen (Fig. i), it willbe evident that the drops and droplets are similarin form. There are even tiny droplets of fluidgold, just as there are tiny droplets of water. Itmay have been obvious that such would be the case,but until now the fact has never been —Afalling marble, photographed at the instant of contact with the surface of milk.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmetals, booksubjectmi
