Notes on dental metallurgy for the use of dental students and practitioners.

  • Hepburn, W. Bruce (Walter Bruce)
Date:
1911
Catalogue details

Licence: Public Domain Mark

Credit: Notes on dental metallurgy for the use of dental students and practitioners. Source: Wellcome Collection.

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    HARD SOLDER FOR ALUMINIUM. SOFT SOLDER (FRISMUTH). Pure block tin 90 to 98 parts. | Pure block tin 90 to 99 parts. Bismuth TPO cee | Bismuth LOCOS tae Aluminium Toto jee | Vaseline as a flux for these. THOWLES’S SOLDER FOR ALUMINIUM. Tin 55 parts. Zinc ve oy a RP os Ps Silver a, es ae oe aon Aluminium ee as. ae 2 d+” The surfaces to be soldered are washed in dilute caustic alkali or cyanide solution, and dried. No flux is used. The following are useful solders, for soldering tray- handles, etc. : Zinc = a en O25 Oe peticent, Tin oh iy Se 2 5°00 :: Lead es 7 Ces ee. Ji Paraffin wax as a flux. —SELLONS, Cadmium ~ As o 50s Pates: Zinc 42 ie ve eae ee an ne a SEOs a: Also a soft solder. —The Scientific American. ALUMINIUM SOLDERS, Aluminium 201 palts: Aluminium 8 parts. fear Hs ee OMe Zine ie OnE. Flux consists of 3 parts balsam copaiba, I part of Venetian turpentine, and a few drops of lemon-juice. Dip soldering- iron into mixture. So far the soldering of aluminium for dental purposes has not proved satisfactory, and, wherever possible, it is better to reduce soldering to a minimum.
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