Word: heated
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Dates: during 1930-1939
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Significance. The practical issue between the President and Congress last week was out of all proportion to the amount of heat engendered. Under the Gold Reserve Act of 1934, with the approval of the President, the Secretary of the Treasury may purchase gold "in any amounts at home or abroad with any direct obligations, coin or currency of the U. S." The price of gold for all practical purposes determines the exchange value of the dollar. If the Secretary should choose to pay $40 an oz. for gold instead of $35 he would in effect devalue the dollar...
...Heat treatments...
...Queen told us that when she talked to her two young daughters over the telephone yesterday they were much amused that she was about to go to luncheon, when the younger one was about to go to bed. They were not in the least interested in the heat of Washington because they have been having a heat wave in London...
...borosilicate formulas, one of which is soluble in acid, the other not. The mixture is melted and the glass is molded or blown to the desired shape. Then it is soaked in dilute nitric acid, which eats away the soluble ingredients, leaving the glass honeycombed with air spaces. Again heat is applied and the glass becomes solid, shrinking 35% in volume...
Corning officials figured that it would take two more years to manufacture and market the new glass in quantity. Then, they predict, it will be used in industry and in households wherever heat-resistant glass is needed. Expansion of the new glass under heat is imperceptible - three times less than the expansion of the great 200-inch telescope mirror which Corning cast for Caltech. When the next big piece of astronomical glass is made, preshrunk glass will probably be used...