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It must be borne in mind that although the bismuth and antimony of this thermo-electric battery, like the zinc and copper of the voltaic or chemico-electric battery, are respectively positive and negative to each other, the poles or wires attached to these metals are, on the contrary, negative and positive.
The tropic moon is a whale of a moon, and you can almost see to read by it, and it wasn't the want of light that bothered us any. The trouble was more to get it level and lash it proper with zinc wire.
Silk dissolves completely in hot basic zinc chloride solution, and also in an alkaline solution of copper and glycerin, which solutions do not dissolve vegetable fibres or wool. Chlorine and bleaching-powder solutions soon attack and destroy silk, and so another and milder agent, namely, sulphurous acid, is used to bleach this fibre.
Taking a book, she went to the lantern and sat upon a box to read. The whistling of the wind around the glass and the dome of zinc, the booming of the sea against the rock, and the brawling of the waters around her produced such a tumultuous din that persons speaking in the tower would be unable to hear each other.
The clothing, towels, bed-linen, etc., should, on removal from the patient, and before they are taken from the room, be placed in a pail or tub of the zinc solution, boiling-hot, if possible. All discharges should either be received in vessels containing copperas solution, or, when this is impracticable, should be immediately covered with copperas solution.
Beyond these boxes all that are required are some perforated zinc hatching trays. These should be 1-1/2 inches deep. They are very easily made, and the ova hatch out well in them. Though ova sometimes hatch out very successfully even when piled up in two or three layers, it is safer to have them in a single layer.
On the wall opposite the door was a speckled mirror with a crack in it, the shape of a star, and under it a bench with three marble-top tables. The zinc bar filled up the third wall. In the fourth was a glass door pasted up with newspapers. Andrews walked over to the bar. The jangling of the bell faded to silence. He waited, a curious uneasiness gradually taking possession of him.
The quantity of zinc added is regulated by the amount of silver contained in the lead; but for lead containing 50 oz. to the ton, the quantity of zinc used is in most cases about 11/2 per cent, of the charge of lead.
The antidotes for poisoning by opium, or any of its preparations, as morphia, laudanum, &c., are the stomach pump if it can be had; tartar emetic, 2 to 5 grains, or sulphate of zinc, 15 to 30 grains, or sulphate of copper, 12 to 15 grs., for an adult. The sulphates of zinc or copper are best, because they act quicker.
"I gave him a blue blanket, a zinc mirror, a spoon, comb, and four red and yellow handkerchiefs. "April 19. Fresh carriers arrived, and we started at 10.45 A.M., and halted at 4 P.M. twelve miles. Forest and high grass as usual throughout the route, which would render this country highly dangerous in case of hostilities.
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