1453
278 Patteson, Richard S., Buckinghmn County,
Specimens of iron ore.
279 Faber, William, Nelson County, Virginia —
Proprietor.
Specimens of ores.
282 Belvedere Manufacturing- Co., Richmond ,
Virginia —Manufacturer.
Envelope paper.
283 Brown, ■—, Buckingham County, Virginia .Specimen of quartz rock.
284 Grant, James If., Richmond , Virginia —
Manufacturer.
Specimen of tobacco.
285 Maupin, S., Richmond, Virginia .
Specimens of minerals.
286 Farrington, A. C., Newark, New Jersey —
Proprietor.
Apatite. Some of tlie specimens exliibited are pureFranklinite iron; other specimens were remarkable for theworst red short and cold short qualities; which qualitieshave been entirely removed by a small admixture of thisFranklinite in the process of puddling. This mineralcontains a large proportion of phosphoric acid, and hencewill probably be found valuable as a manure.
287 Dumont, F. S., Patterson, New Jersey —
Manufacturer.
Silk plush for hats.
288 Morgan, John S,, Tuscumbia, Alabama .Specimens of cotton.
289 Collyer, Gov. H. W., Montgomery, Alabama
—Proprietor.
Minerals, collected and forwarded under the directionof the Governor of the State of Alabama , intended toillustrate the mineral wealth of that state.
290 Steere, Enoch, Providence , Rhode Island —
Manufacturer.
Blacking. _
291 Ambler & Avery, llonesdale, Pennsylvania .Specimens of mechanical dentistry.
292 Taylor, II. P. & W. 0., Philadelphia ,
Pewnsylvania —Manufacturers.
Transparent soaps, intended to represent stained glass.
293 Eat & Co., J. A., Norwich, Connecticut .
Planing moulding machines, &c.
294 Hayward Rubber Co., Colchester, Connecticut
Manufacturer.
Speeimens'of India-rubber boots and shoes.
[The manufacture of India-rubber boots and shoes, inAmerica , is conducted in the very parts whence the ma-terial is derived. Persons are employed to go round tothe trees ( Siphonia elastica ) yielding this remarkablesubstance, caoutchouc, in the form of a coagulable milkysap, and to collect the exudations flowing on tapping thestem. The fresh milk thus obtained, is immediatelymanufactured into boots and shoes, by being applied toa last layer after layer, and exposed to smoke to dry be-tween each application. In a few minutes a pair is com-pleted. The finishing for sale is effected in the towns towhich it is exported,—R. E.]
295 Goodyear Rubber Co., Naugatuck —■
Manufacturer.
India-rubber. _
296 Penfield & Camp, Middletown, Connecticut .Judd’s medicated liquid cuticle.
297 Cochean, John W., Agent, New York .Improved railway switch.
297a Cochean, J. W., New York .
Ship-timber sawing machine and stone-dressing machine.
298 Day & Newell, New York —Inventors.
“ Parautoptie ” permutating locks.
The parautoptie permutating lock is characterised bythe following peculiaritiesThe lock adapts itself to thekey in such a manner that whatever may be tlie arrange-ment of the bits in the key, the mechanism of the lockadapts itself to it. It is consequently at the pleasure ofthe owner of the proper key to alter the arrangement ofthe parts of the key, and constantly to exercise a new dis-tribution of the parts within the lock. By this methodgreat security is given to the look, and it becomesalmost impossible to open it by any but the proper instru-ment.
299 Lathrop, J., Le Hoy, New York —Producer.Samples of Genesee wheat.
300 Finch, Hiram, Iloncoge, New York —
Manufacturer.
Specimen of Genesee wheat flour.
301 Colegate, William, & Co., New York —
Manufacturers.
Samples of pearl starch.
302 Gray, Dr. J., New York —Inventor.
Artificial human eyes.
303 Simmons, Mrs. W., New York —Maker.Millinery.
304 Gardner, J. N., Troy, New York .
Specimens of currycombs.
305 Oylee & Anderson, Lynchhurgh, Virginia .Samples of tobacco, manufactured out of “ natural
lioney-dew,” bright sun-cured leaf, the growth of Roanokecounty, Virginia .
[The tobacco produced in tho United States is a valu-able article of commerce, and is considered to possesssuperior qualities. The tobacco grown in the state inquestion and in Maryland has long been held to be thebest. It is exported to England in the enormous annualsum of 31,628,886 lbs.—R. E.]
306 Macy, Josiah, & Sons, New York —Manufacturers.Specimens of spermaceti and candles.
307 Pecaee & Smith, New York .
Self-cocking and repeating pistols, with stocks of ivory
and rosewood, mounted with steel and gold.
308 Day, Horace n., New York —Manufacturer.
India-rubber manufactures.
[The corrugated fabrics from India-rubber are muchemployed in tho manufacture of shoes. Tho threads ofrubber are prepared for weaving into these fabrics bybeing wound while stretched with tlie thread with which