This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 Excerpt: ...are required to construct a crystal type cadmium standard cell. Materials required.--(1) Containing vessel of glass, 2" x if" (internal). (2) Quill glass tubing. (3) Platinum wire o-oo8" diam. and foil. (4) Mercury. (5) Cadmium (stick). (6) Mercurous sulphate, Hg2SO4. (7) Cadmium sulphate, CdSO4. (8) Distilled water. ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 Excerpt: ...are required to construct a crystal type cadmium standard cell. Materials required.--(1) Containing vessel of glass, 2" x if" (internal). (2) Quill glass tubing. (3) Platinum wire o-oo8" diam. and foil. (4) Mercury. (5) Cadmium (stick). (6) Mercurous sulphate, Hg2SO4. (7) Cadmium sulphate, CdSO4. (8) Distilled water. (9) Fine copper wire (bare), also 3" No. 24 S.W.G. (10) Paraffin wax. (11) Marine glue. Apparatus.--(1) Large glass mortar and pestle. (2) Small glass mortar and pestle. (3) Balance and weights. (4) Three porcelain evaporating basins. (5) Two burettes (small). (6) Bunsen burner and stand. (7) Gas blowpipe. (8) Glass flask (small). (9) Three glass rods. (10) Small hammer. Method.--(1) Cut a piece of platinum foil 1" X 5." (2) Cut off a piece of platinum wire 35" long. (3) Heat the foil and wire in the blowpipe flame and weld the wire to one end of foil. (4) Cut a piece of glass tubing 2%' long. (5) Thread the glass tube over platinum wire and fuse up the end close to the foil. (6) Cut off another piece of platinum wire about 2" long and bend one end into a small loop. (7) Grind up 150 gms. CdSO4 crystals in large glass mortar until the powder is free from small hard particles. (8) Dissolve up 50 gms. of CdSO4 in about 50 c.c. distilled water until the solution is saturated. (This should be kept standing for two or three days, as the CdSO4 is nearly equally soluble at all temperatures.) (9) Weigh out 204 gms. of mercury and 34 gms. cadmium. (10) Place the cadmium in the mercury and apply gentle heat; stir up from time to time with glass rod till all the cadmium is dissolved: allow to cool, when the liquid should solidify. (11) Place about 25 c.c. of Hg2S04 in small mortar, a drop or two of mercury, and add ...
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Add this copy of Electrotechnics to cart. $16.27, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
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Fine. Sewn binding. Cloth over boards. 188 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
Add this copy of Electrotechnics to cart. $34.39, new condition, Sold by GreatBookPrices rated 4.0 out of 5 stars, ships from Columbia, MD, UNITED STATES, published 2022 by Legare Street Press.
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New. Sewn binding. Cloth over boards. 188 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
