Having thus described the nature of the invention, and the manner of performing the same, the Patentee concludes by saying, "that he is aware that carbonate of soda, carbonate of ammonia, and carbonate of magnesia, have been used in preparing some kinds of farinaceous food (and some acids also); he does not, therefore, claim the use of those materials generally, in preparing farinaceous food; but what he does claim as his improvement or improvements, is the preparing such food by means of an acid and an alkali (such alkali being in union with carbonic acid), whereby the foods are rendered cellular light and spongy, without the aid of fermentation, as above described."-[Inrolled in the Inrolment Office, November, 1836.]

To JOHN HEWITT, of Kennegie, in the county of Cornwall, gentleman, for his invention of a combination of certain materials or matters, which being combined or mixed together will form a valuable substance or compound, and may be used with, or as a substitute for, soap. -[Sealed 19th April, 1834.]

THIS invention consists in combining one or more of the substances generally known by the name of mica, steatite, card or guard and porcelain earth, with the ordinary materials of which soap is composed. The mica, steatite, or other materials above mentioned, must be first reduced to a very fine and impalpable powder, and then mixed, either separately or in combination with one or two other of the above-named substances, in the proportion of from one eighth to three fourths by weight of either of these materials, with from seven eighths to one

fourth of the ordinary soap of commerce, commonly known by the name of yellow soap.

The mixing process is carried on in the following manner: the ordinary soap of commerce is sliced up, and with it is mixed the above material or materials in the proportions above described, the whole is then put into a suitable vessel to be melted, water being added to aid the operation. When the ingredients are properly mixed, the contents of the vessel is allowed to cool, and then is to be cut out into bars, as is usual in such

cases.

The Patentee states, that he finds the proportion of about one half of the siliceous materials to one half by weight of the saponaceous materials to be the best proportion for common soaps, and that the ingredients must not be mixed in any other proportions than those above mentioned, viz. from one eighth to three fourths, as the desired effect will not be obtained if the ingredients are mixed in any proportions either more or less than these.

For making fancy or toilet soaps, the Patentee uses. curd, instead of yellow soap, and he lessens the proportion of the siliceous ingredients.

In conclusion, the Patentee states, that he does not mean or intend to claim as his invention the application of any siliceous material to the manufacture of soap, as he is aware that such materials have been applied to cleansing before; but he claims as his invention the application of the above-named materials in the before

*The Patentee here states, that the siliceous ingredients may be added before the soap is allowed to cool, when it is manufactured; and it must be evident that this is the most economical way for the manufacturer.

mentioned proportions: viz. from one eighth to three fourths by weight of the siliceous ingredients, to from seven eighths to one fourth of the saponaceous materials in the manner above described.-[Inrolled in the Inrolment Office, October, 1834.]

List of Patents

Granted by the French Government from the 1st of July to the 31st of October, 1836.

(Continned from vol. x,, p. 379.)

To Solms and Badat, of Paris, for an improved furnace for the making of coke.

François Lergent, of Paris, for improvements in the making of steel spcons and forks.

Pierre Joseph Ende, of Affranville, for a means of applying a chronometer to the measuring of gas.

Edouard Largier, of Paris, for a distilling apparatus.

·Jacques Dearé Allier, of Tens, near Peronne, for a means of preserving thrashed corn."

- Letault Cairo, Youndan-Dupontillac, and Roboglia, of Paris, for ...a bituminous cement.

William Patterson, of Dublin, for a new substance for tanning 3 leather.

- Caiman Duverger, of Choisy sous Etoiles, for an apparatus for cleaning corn.

-Claude Allier, of Paris, for improvements in clocks and watches.

-Evrard Diendonne, of Bethel, for an improved machinery in combing wool.

François Martin Desgranges, of Paris, for a method of manufacturing various articles with whalebone.

-Pierre Giraud, of St. Etienne, for improvements in the manufacturing of bricks,

To François Regis Boyer, of Roanne, for an improved batten for reweaving ribbons.

Claudius Fellot, of Lyon, for a method of manufacturing tiles for the flooring of houses.

- Pierre François Jeanson, of Vitry le Français, for a fire-engine. – Vergne de Guérini, of Marseille, for a method of reviving animal charcoal.

-Etienne Melchion, of Marseille, for an apparatus for warming the water used for bathing..

- John Byrne Madden, of Orleans, for two methods of towing vessels up rivers and along canals.

- Louis Marie Lemoine, of Rouen, for an improved condenser.

Moses Poole, of London, for an improved method of tanning. -Cordier Lalande, of Paris, for a pump applicable to mechanical lamps.

Jean Baptiste Moinier, of Marseille, for a machine for pulverising plaster of Paris.

Marquis de la Rochejacquelin, of Clisson, for an improved steamengine.

Claude François Prost, of Beaune, for a hydraulic apparatus applicable to lamps.

Cabane, senior, of Marseillan, for improvements in steamengines.

7

- William Auguste Robertson, of London, for improvements in the tanning of hides.

Adolphe Carriére, of Ganges, for a reed for separating the threads in the spinning of silk.

Auguste Alexandre Costel, of Troyes, for improvements in the stocking frame.

-Darvien, Cauvy, and Durand, of Ganges, for a method of stifling the cocoons with dry heat, and without injury, to the silk.

--

John Shaw, of London, for improvements in the apparatus employed for cooling liquids.

-François Felix Sauliere, of Argenteuil, for an improved nail , machine.

-François Rebouil, of Marseille, for a new motive power,

To Sailly Herbelot; junior, Genet Dufray, of Calais, for an im proved method of manufacturing spotted net.·

Michel and Henri Louis Chuard, for an improved engine calledby them hydrargiro-dynamique.

-Charles Antoine Dueret, of Dôle, for improvements in clock work.

7

Pierre Frédéric Lenfant, of Paris, for a moveable pillow to be used by travellers in stage coaches.

- Jean Baptiste de Lagarde, of Paris, for a chemical composition which cures of their diseases fruit trees.

-Frédéric Wilson, of London, for improvements in the apparatus used for loading and unloading ships.

-Paul Descroizilles, of St. Quentin, for an expeditious method of bleaching cotton or other fabrics.

-Jean Baptiste Nicolas, of Lyon, for an improved oven for baking white pipe clay, with an opaque enamel.

Guillaume Rosé, of Paris, for a method of conveying non-compressed gas.

Dietz Father, of Brussels, for a new locomotive coach. "

John Vaizey, of London, for improvements in the preparing of floury substances.

-Jean François Perrére, of Paris, for a new kind of calefyer.

Lan and Monin, of Belleville, near Paris, for an apparatus for measuring liquids.

Rabenstien, of Paris, for a new system of weaving.

Rousseau, of Epernay, for a machine for preparing sparkling wines.

Louis Vinot, of Paris, for a steam coach, calculated to run on common roads.

-Achille Monvirsin, of Paris, for improvements in pianos.

Large and Quignard, of Paris, for an apparatus for preventing the escape of mephytic gases from privies.

PATENTS FOR FIVE YEARS.

To Sampson Mordan, of London, represented in Paris by Mr. Perpigna, Advocate, of the French and Foreign Office for Patents, Rue Choiseul, for certain improvements in pens.