. Carnegie Institution of Washington publication. DISTILLED WATER. 127 ends free in the laboratory about i foot above a deep sink. The sides and top of the boiler, the copper catch basin, and the ?4'-inch block-tin pipe leading to the con- denser are all coated with 3 inches of best non-conducting magnesia covering. The catch basin, designed to hold back solid particles carried up with the steam, is 9 by 12 inches and is made of--inch copper, securely riveted and soldered with tin solder. It is bolted clown to the flat brass top and a steam-tight connection. Fig. 119.* is secured by means of a
. Carnegie Institution of Washington publication. DISTILLED WATER. 127 ends free in the laboratory about i foot above a deep sink. The sides and top of the boiler, the copper catch basin, and the ?4'-inch block-tin pipe leading to the con- denser are all coated with 3 inches of best non-conducting magnesia covering. The catch basin, designed to hold back solid particles carried up with the steam, is 9 by 12 inches and is made of--inch copper, securely riveted and soldered with tin solder. It is bolted clown to the flat brass top and a steam-tight connection. Fig. 119.* is secured by means of a red rubber gasket. The heavy- brass top (7) is tinned on the inner surface and is bolted securely to the iron flange on the top of the boiler by means of 18 screw-bolts. The junction is made steam-tight by means of a corrugated *Fic. 119.—The Reinhold-Giltay microtome arranged for cutting celloidin or very hard paraf- fin sections. The machine is very solidly and accurately constructed out of the best materials, and, in addition, provision is made by means of set-screws for compensating the wear due to long use. The device governing the thickness of the sections is especially ingenious. This particular machine has been in constant use by various persons for over four years, and nothing has been paid out for repairs. With good use it ought to last a lifetime. About one-fifth actual Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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