Sealing wax

Definition and stakes

George Grant,  A Historical Account of Useful Inventions and Scientific Discoveries

“ The colour of the wax is dark red, and very shining.
The oldest recipe known in Germany for making sealing-wax, was found by M. Von Murr, in a work by Samuel Zimmerman, citizen of Augsburg, published in 1759. The copy in the library of the university of Gottingen is signed by the author himself.—“To make hard sealing-wax, called Spanish wax, with which, if letters be sealed, they cannot be opened without breaking the seal; take beautiful clear resin, the whitest you can procure, and melt it over a slow coal fire.
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Source: Gutenberg

Portrait of W. M. Flinders Petrie W. M. Flinders Petrie,  Methods & Aims in Archaeology

“ Sealing-wax casts must be oiled before plaster is put to them; and oil does not soften or deteriorate sealing-wax if left on for years. Beeswax, or, better, the mixture called “dentist’s wax,” makes good impressions, and may be used for moulds.
Tin-foil is most useful for rapid impressions, especially from a fragile or delicate object. The thinnest should be used, such as is wrapped round chocolate. To preserve the form of tin-foil it may be squeezed into place with a back of beeswax, and so form a facing to a wax mould for casting a plaster positive.
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Source: Gutenberg

Various,  Notes and Queries, Number 183, April 30…

“ If the commoner sorts of wax are used, some marine glue must be added to it to temper it. The side slips should be fixed a quarter of an inch apart, so as to form a cavity, which must be entirely filled up with wax. The wax may be used as in sealing a letter in the first instance; but, in order to give the whole bath solidity, and expel every particle of air from between the glass, I use a heated pointed iron, as a plumber does in the act of soldering. This, passed over the external parts of the wax, also gives it a hardness and smooth finish. ”
Source: Gutenberg

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