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Note that while there are many 'secret' recipes and granulation was 'lost' this was as far as I can tell a result of gentleman scholars and acadamics in the late 19th and early 20th century who were too snobbish and ethnocentric to realize that much of the world still does granulation, that peasants across Europe.... (1997) Complete Story
Polariscopes are a very useful, simple and inexpensive to make piece of gemological equipment. They are used to tell glass from gem materials synthetic spinel from all other materials, singly refractive from doubly refractive, crystaline from cryptocrystaline material, doublets and triplets from other gems.... (1997) Complete Story
Stakes are objects used for shaping metal over, on and into. Hammers or mallets are used to form the metal over the shape of the stake. Stakes can be made of various materials. A wooden stump can be considered a kind of a stake. Usually in the West most stakes are steel.... (1997) Complete Story
Here are some patination sources on the internet.
Remember that all patinas are toxic and irritant and should not be worn next to skin unprotected.... (1998) Complete Story