Practical dental metallurgy / by Thomas Fletcher.

  • Fletcher, Thomas, 1984-
Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: Practical dental metallurgy / by Thomas Fletcher. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    3] Very bulky scrap should be run into a mass in one of the moulded carbon blocks before being placed in the crucible. Price, as engraved, 3-oz. size, 13s. 6d. Extra Crucibles, 4d. each : 3s. 6d. per doz. Slides to carry the Crucibles 2d. each. LARGE SIZE OF THE ABOVE. To melt 14 ounces silver, or 20 ounces 18-carat gold, in 5 or 6 minutes. Price, 27/6. Extra Crucibles 7d. This requires a J-inch gas supply and Foot Blower No. 5 size. The same arrangement as the above, on heavy swivel stand, to prevent risk of pulling over by the weight of the rubber tube when not held by the hand. Small size only, for 3-ounce ingots. Price 15s. 6d. This addition is unnecessary in the large size. Extra Crucibles 4d. each, 3s. 6d. per dozen. FLETCHER'S NEW LADLE FURNACES. FOR LADLES, AND SET POTS. A new and substantial form is now made in three sizes. The two smaller sizes take the No. 4 High Power Burner, the largest requires the 6in. High Power Burner. The smaller size, taking ladles 7in. in diameter, is made for ladles only. The burner will heat soldering irons, or boil water quickly, and is useful in many Small Size, for Tm. Ladles. P**ice complete 13s. without ladles, but including a metal skimmer and hook for lifting the lid. The body