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Penny Dreadfuls, 1927 · page 26 of 42

Doctoral Thesis Cover Page — page 26: what you’re looking at

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Doctoral Thesis Cover Page — page 26: Penny Dreadfuls, 1927

What you’re looking at

This page contains running prose—the conclusion and summary section of a scientific research article by L. E. Swearingen and L. H. Reyerson from the University of Minnesota's School of Chemistry. The text discusses experimental findings about various metal catalysts (silver, copper, platinum, palladium) and their efficiency in promoting water synthesis at different temperatures. This is **not** a penny dreadful; it appears to be a legitimate academic or scientific journal article from the early twentieth century, dealing entirely with chemistry and catalyst reactions.

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Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.

120 L. E. SWEARINGEN AND L: H. REYERSON At —1s° the water freezes on the walls of the tube and does not interfere with the reaction. This no doubt accounts for the almost equal efficiency of the catalysts at o° while at the other temperatures the platinized gel is consider- ably more efficient. At slow rates of streaming both catalysts are sufficiently active to use up the oxygen. The present study does not make it possible to postulate a mechanism of reaction on the catalyst surface because the composition of the gas mixture was not varied. Summary 1. The silver catalyst initiates the reaction below too° and is practically one hundred per cent efficient above 200° at the rate of streaming studied. 2. The copperized gel initiates the reaction below 80° and the reaction is complete below 200°. ; 3. The platinized and palladized gels show marked activity in promoting the synthesis of water at all temperatures studied. The platinized gel is more efficient than the palladium catalyst as the rate of streaming of the gases is increased. School of Chemistry, University of Minnesota, Minneapolis, Minnesota. (E(0) nn) ( c 3 (E(0) JIOOKS