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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    “ to render temporarily or permanently air tight, an annular groove “ or gutter,” which may be filled with “ mercury, glycerine, honey, “ treacle, or water, according to the requirements of each case. “ Other fluids may be used. When the vessel is to be permanently e( sealed, as in the preservation of fruits and vegetables, the fluid medium is replaced by a fusible substance or composition which “ is in a melted or semifluid state when the cover is applied, and “ afterwards becomes hard by cooling.” A “ composition of “ gutta-percha and rosin in various proportions, or a fusible “ alloy,” may be employed. [Printed, 7d.~\ A.D. 1854, August 26.—N° 1874. KERMOAL, Corentin Marie Perron de.—This invention received provisional protection, but notice to proceed with the application for Letters Patent was not given within the time pre¬ scribed by the Act. Meat was deprived of bone and “ immersed “ for a few seconds in boiling water,” and “ then placed in boilers “ already containing water in a state of ebullition, together with a “ suitable proportion of vegetables.” The first water in which the meat is dipped “ is employed to fill the second boilers from time “ to time.” The meat partially cooked is cut up into pieces, “ im- <( mersed in a preservative mixture of vinegar and salt and water,” introduced into a box “ through a hole in the centre, which is “ afterwards closed hermetically by soldering a disc over it.” The boxes are afterwards “ exposed to steam at a temperature of 250° “ Fahrenheit,” “ more or less, by which means the cooking of the “ meat is completed, and the oxygen of the small quantity of the “ air remaining in the vessel is neutralized, and subsequent fer- “ mentation prevented.” “ The boxes may be of tinned iron or “ other suitable metal.” [Printed, 3(Z.] A.D. 1854, October 20.—N° 2242. CHENU, Louis Auguste, and PILLIAS, Francois Frede¬ ric.—This invention received provisional protection, but notice to proceed with the application for Letters Patent was not given within the time prescribed by the Act. Meat, the least sinewy and fat is preferred, is cut up in pieces, immersed in boiling water for about two minutes, allowed to drain for about a minute in a per¬ forated vessel, and next plunged into a bath for about a second
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