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Melting pots, for cast iron and brass

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Metallic packages-patent,

blocks, new construction of-patent,

Mill, improved surgical instrument maker's and cutler's
notice of some errors in the history of Barker's
for grinding grain, &c., improvement in the—patent,
Mooring ships-patent,
Musical instruments, improvements on stringed-patent,

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Names of streets, rendering conspicuous the-patent,
Natural history. The rattlesnake,

Structure and habits of the seal,

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The large brown hornet of New South Wales,

184

Notices,

144, 360

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Patents, monthly list of American, with editor's remarks on 209, 251, 338, 393

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information to applicants for

Packages, metallic-patent,

Paper making, improvement in-patent,

Parallel motion for steam engines, new

Paving streets, &c.,-patent,

Pepper, mode of bleaching-patent,

Percussion gun-lock, water-proof, self-priming-patent,

Perpetual motion, editor on

remarks on

Piano-fortes, improvements in-patent,

Plants, shoots, sprigs, &c., method of reviving

Plane for hard or cross grained wood,

Planting seed, machine for-patent,

grain,

-patent,

Platina, rendering it malleable

Ploughs, Stothert's improvements on, &c.—patent,

Pompeii, excavations made at

Pots, melting, for cast iron and brass

Preserving vegetables for ship's provision, &c.

wines in draught,

Printing, essay on calico

Processes employed in jewellery,

Propelling vessels, improvement in the mode of—patent,

Proposals, respecting rail-roads, &c.

Prognostics of the weather,

Pumps, improvements in-patent,

99, 175

313

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Robertson's apparatus for collecting gases,

Rectifying spirit, new process for

Refining sugar, improvements in the process of-patent,

Rods, lightning, and compasses,

67

207

68

43

elastic, for umbrellas-patent,

127

Robbins's patent planting machine,

343

Rocks, retaining water in them for summer use,

161

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on the effect of wind upon

Socket vice-patent,

Sounds, difference in the velocity of intense and feeble

distances at which heard

Souwando in Russia, fall of the lake

340

201

ib.

202

ib.

Spencer's remarks on the adhesion of disks,

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Straw and grass for hats, improved mode of preparing-patent,

236

Sugar, improvements in the process of refining-patent,

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Valve safety for steam boilers, description of

Vegetables, mode of condensing and preserving

Vessels, improvement in the mode of propelling-patent,
Vice, socket-patent,

Ward's measure--patent,

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Water, blowing air into furnaces by means of

retting, on the preparation of hemp and flax without

retaining it in rocks for summer use,

improvements in raising or forcing--patent,

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132

16

270
127

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--drawing plates, &c.

improvement in drawing iron and steel

cards, improvements in preparing-patent,

Wood, plane for hard or cross grained

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Wood, ornamenting, Egyptian mode

Woollen, silk and cotton goods, method of cleansing

Worm, on the silk

Worts, preparing and cooling--patent,

30

86, 150

90

91

241

117

420

ib.

200

244

375

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