Abridgments of the specifications relating to preservation of food / printed by order of the Commissioners of Patents.

Date:
1857
Catalogue details

Licence: Public Domain Mark

Credit: Abridgments of the specifications relating to preservation of food / printed by order of the Commissioners of Patents. Source: Wellcome Collection.

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    A.D. 1846, October 15.—N° 11,414. PALMER, William.—-Taking “ the fat of beef, mutton, veal, or “ lamb, when fresh,” melting them “ in an open boiler, heated by “ preference by a steam jacket; when melted the fat is strained “ through a fine sieve into vessels; the temperature of the room is “ kept about 70° Fahrenheit; when the fat begins to granulate it is “ put into cloths and pressed.” The weaker or more fluid portion of the fat, separated by pressure or by other means, is returned to the boiler, “ and heated until ” there is no evidence of steam going olf, when it is flavoured with a few bay leaves, and strained through sieves, salt is stirred into it when it begins to cool, and “ it is packed “ into bladders,” &c. [Printed, 7cl. See Patent Journal, vol. 2, p. 791.] A.D. 1846, October 17.—N° 11,420. RYAN, John.—First, Preserving “ organic and other substances* “ by supplying thereto a mixture of gases, acids, or vapours,” “ non-supporters of combustion,” and a mixture of carbonic and. ehlorohydric acids, pr a mixture of carbonic and acetic or pyro¬ ligneous acids” is preferred; sometimes a small quantity of creosote is put in with the materials generating the gases, “where “ coarse pyroligneous acid cannot be obtained; ” but this is not used upon fermented liquids or vegetable substances. Organic matters such as meat should be previously deposited in a suitable air-tight box, not described. Second, “ Constructing of a self-acting apparatus for generating “ the gases.” This is constructed of glass or other suitable material,, and is a large outer vessel, having an inner one with a false bottom, containing fragments of marble; the outer one is for acid, having a pipe with a stop cock which may be opened at will, for emitting the gas; this pipe has a flexible tube attached to it, to lead to the “ suitable air-tight box,” or otherwise. [Printed, 6d. See London Journal (Neivton’s), vol. 31' {conjoined series), p. .351; Patent Journal, vol. 2, p. 814; and Engineers and Architects” Journal, vol. 10, p. 178.] A.D. 1847, May 6.—N° 11,691. HORSLEY, John.—Using “ ammonia in such a combination “ with acetic or purified pyroligneous acid as shall not interfere with “ the principle of decomposition or volatilization of their elements
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