5. Covering houses with tin plate, &c. Richard S. Tilden,

ib.

400

ib.

401

8. Thrashing machine,

10. Veneering saw,

11. Improved auger,

ib.

ib.

6. Sugar from cane juice,

Ebenezer Avery,

402

7. Washing machine,

Enos D. Cherry,

ib.

9. Washing alluvial earth, &c. &c.

15. Planing timber, &c. &c.

Uri Emmons,

ib.

Louis Bomeisler,

405

Louis Bomeisler,
Sands Olcott,

ib.

406

407

ib.

12. Washing machine,

13. Rail-way carriage,

14. Improved lamp,

16. Paper from straw,

17. Lime kilns,

18. Rail-road carriage,

19. Improved plough,

20. Giving motion to mills, &c.

21. Drawing water through forebays,

22. Cast-iron copings for chimneys,
23. Iron hubs for carriages,

24. Fly net for horses,

25. Cutting panels, &c.

26. Improved pump,

27. Machine for planting seeds,
28. Manufacture of harness, &c.

29. Water proof boots, &c.
30. Bending wagon tire,
Alumina, on using, with pigments
Amianthus, cloth and paper made from
Argenton, &c., manufacture of
Atmospheric influence of woods,

B

Jas. P. Espy and Andw. Young, 408

Hercules Thomas,

J. White & Phineas P. Quimby,

Charles Neal,

ib.

409

Henry Korn,

ib.

ib.

Bags, &c., lithographic subjects on—patent,
Balista door spring,

Barometer, differential

Beds, &c., elastic-patent,

Bigelow's technology, notice of

Birds for cabinets, means of preserving

Boilers, on the strength of

revolving-patent,

of steam engines-patent,

Bottles, corked, penetration of water into

sunk into the sea,

Building materials used by the Romans,

Buildings, construction of fire-proof,

VOL. IV.-No. 6.-DECEMBER, 1829.

PAGE

C

water proof-patent,

Chiaro-scuro, sketching effects in, and applying to lithography

Chimneys, improvement in building-patent,

Chromate of potash, on a new use of

111
31, 103

Cements, preparing hydraulic,

Chameleon mineral, use of

354

65

69

68

245

270

128

13

133

16

70

352

371

58

350

Iron ore of Mondragon, Spanish

PAGE

307

——, elasticity, ductility, and strength of

Lithographic subjects, applying on bags, &c.-patent,

L

Lifting weights, mode of―patent,

Liquid, Guyot's preservative

M

418

109

11

106

162

307

Magnetic needles, construction of

Malleable, rendering platina

Manure, wagons for scattering--patent,
Manufacture of glass for optical purposes,

French perfumery,

indigo in India,

Scotch whiskey,

Memoir of Joseph Fraunhofer,
Metallic watering,

Mill and press, moveable cider-patent,

-, iron, for grinding-patent,

Mineral, use of chameleon

Molasses, &c. improvements in making-patent,

Mordants used in dying calico, &c. &c.

Mosaic works, on performing

Motion, power of heavy bodies in

138

Optical purposes, manufacture of glass for

Packing cloths, &c., substance for preserving-patent,

Packfond, &c., manufacture of

Paddle wheel moved by power of men-patent,

Paddles, wheel with revolving-patent,

Painting under glass-patent,

Paper, manufacture of patent,

and cloth from amianthus,

Patents, English,

Patents, French

list of

-, list of

Perfumery, manufacture of French
Pigments, on using alumina with

Pigment, fine scarlet

Plating copper with platina-patent,

Platina, rendering, malleable,

Polish for wood, German,

Preservative liquid, Guyot's

Preserving eggs, mode of
Press, copper-plate-patent,
Pressure of the sea,

flowing of sand under

60

351

143, 218, 360, 420

356

373

P

107

303

412

194

107

71

73

36, 109, 241

357

106

358

295, 382

347

ib.

109

226

310

11

288

72

76

374