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.

    40/62 page 32
    “ serving meat on board ship, and consists of forcing by mecha- “ nical means, such as by fans, or by blowing or exhausting <£ machinery, currents of artificially refrigerated or chilled air in “ contact with the meat to be preserved.” [Printed, 2\d.~\ A.D. 1853, June 15.—N° 1448. ROBERTSON, Alexander.—This invention did not proceed to the Great Seal. The Provisional Specification states it to be, ££ Improvements in vessels or cases for storing and preserving (( edible substances,” by constructing a vessel of any desirable shape or suitable metal, with “ a valve or door opening on a hinge, <c and ground into its seat so as to fit air-tight.” The provisions are placed in it, the door is closed, and the air is exhausted from it by means of a pump. [Printed, 2\d.~\ A.D. 1853, June 16.—N° 1467. MOREAU, Peter Armand Le Comte de Fontaine.—Pre¬ serving milk and other alimentary substances, “ by forming a £t vacuum within the substances by an exhaust pump, by raising “ the temperature,” or by using a tube which is filled with milk, “ and put in communication with a reservoir containing a con- “ venient quantity of that liquid, and covered with a layer of oil.” The air is expelled from the milk by adapting “ an air exhausting “ pump either to one reservoir or to two reservoirs.” [Printed, 3|d.] A.D. 1853, June 16.—N° 1468. MOREAU, Peter Armand le Comte de Fontaine,—First, “ Extracting and concentrating the juices of chicory, carrot, and ff soft acorn of Spain or any other country, beetroot, barley or “ oatmeal, and other similar substances, and employing the said “ juices for the improvement or cheapening coffee infusions,” by an apparatus which is particularly described. The substances ground and torrified are put into cloth sacks, and these sacks are manipulated in the apparatus above alluded to, firstly, in an st extracting boiler open at top,” and, secondly, in a£f concentrating <c boiler closed at top, and provided a safety valve.” Second, “ Combining the juices thus obtained with essences “ extracted from dried dates, grapes, and other dried fruits con-
    digitised image 1
    digitised image 2
    digitised image 3