“ The average running time is 12 hours 10 minutes per day, which is too long and should be shortened; but the average working time of each hand is but ten hours and a half. In the Boot Mills, a careful account of working time has been kept, and it appears that 106 girls averaged 267 days each in a year and 10 hours 8 minutes per day, each being paid according to her work, and ☞ all are paid in cash every month,—not one farthing in store orders, or barter of any kind. ”

“ New Article of Export.—We are told that a Yankee broom maker in Ohio has leased some twelve hundred acres of bottom land, on the Scioto river, near Columbus, and planted the entire plot in broom corn, with a view to export the crop to England, where he intends to proceed himself, and engage extensively in the manufacturing of brooms, taking with him the wood for the handles, and the machinery used for the purpose. ”

“ If the stock of our bliss be in stranger hands vested,
The fund, ill secured, oft in bankruptcy ends;
But the heart issues bills which are never protested,
When drawn on the firm of—wife, children and friends. ”

“ A centrifugal force being thus established, it acts in all directions alike; but as the circle extends, its propulsive power becomes gradually diminished, till at last its pressure is no longer felt, nor sound created. The fumbling noise of thunder is produced by that portion of the sonorous circle which strikes upon the earth, whence it becomes condensed ”

“ The average earnings of the women in all the factories, including novices, is $1,93 per week besides their board. Many girls who have been school teachers gladly take places in the mills, as the pay is higher here, and the work lighter, though the hours are longer. No one has lost a sixpence of her earnings in the Lowell factories since the first was started. ”

“ Cause of Sound in Thunder.—Thunder is one of the consequences resulting from lightning, and lightning appears to be occasioned by the combustion of some of the inflammable particles of air; or according to more recent opinions, of a condensation of aerial matter conducing to electricity, by which in either case, a vacuum is created. ”

“ Granted that it is not all it should be—that it might and should be improved—it is still true that no where else does a Laboring class of equal numbers earn so much, year by year; no where else are they so constantly employed, comfortably situated and adequately rewarded. ”

“ Great Improvement in Lithographic Printing.—A very important improvement has been made in the lithographic printing machine by a young French engineer named Nicolle, by which the same precision and regularity of pressure is obtained as by the common hand-press. ”

“ With this encouragement, we have made arrangements to furnish the intelligent and liberal workingmen, and those who delight in the development of those beauties of Nature, which consist in the laws of Mechanics, Chemistry, and other branches of Natural Philosophy—with a paper that will instruct while it diverts or amuses them, and will retain its excellence and value, when political and ordinary newspapers are thrown aside and forgotten.
In conducting this publication, we shall endeavour to avoid all expressions of sentiment, on any sectional, sectarian, or political party subject ”

“ The manufactures have recently introduced a variety of excellent improvements in the construction of trucks, springs, and connections, which are calculated to avoid atmospheric resistance, secure safety and convenience, and contribute ease and comfort to passengers, while flying at the rate of 30 to 40 miles per hour. We purpose to give a particular description of these improvements, accompanied with suitable engravings, in our next number, that our readers may be enabled to appreciate more fully the progress of improvements in this branch of mechanism. ”

“ We shall present no gloomy catalogues of crime and depravity, believing that the cause of neither happiness nor morality will be thereby promoted;—our object being to please and enlighten. We shall advocate the pure Christian religion, without favouring any particular sect ”

“ The pressure is applied to the dies by enclosing them in a kind of clamp made with a strong pair of nut crackers, but with a powerful screw at the end opposite the joint; the mould, dies, and horn are dipped in boiling water or a few minutes, and then screwed as fast as possible immediately on removing the same, and in about twenty minutes the work is ready for finishing ”

“ At noon in summer the apex of the monument, 550 feet above the ground, is shifted, by expansion of the stone, a few hundredths of an inch toward the north. High winds cause perceptible motions of the plummet, and in still weather delicate vibrations of the crust of the earth, otherwise unperceived, are registered by it.—Scientific American. ”

“ This paper is especially entitled to the patronage of Mechanics and Manufactures, being the only paper in America, devoted to the interest of those classes; but is particularly useful to farmers, as it will not only appraise them of improvements in agriculture implements, But instruct them in various mechanical trades, and guard them against impositions As a family newspaper, it will convey more useful intelligence to children and young people, than five times its cost in school instruction. ”

“ Improvement in Oregon.—Already has a canal been commenced around the dangerous falls in the Columbia river, at Willamette, by Dr. McLauglin, an American citizen. Its length will be about half a mile, part of the way through a solid bed of primitive rock, and the fall in the entire distance will be about thirty-five feet. ”

“ A Smoke Filter for Locomotives.—An invention, which promises to be one of great utility, has been recently made by Mr. J. P. Dempfil, a French gentleman, of much scientific talent.—The invention consists of "an attachment" to the chimney of a locomotive, dividing it by a partition in two parts or passages, upward and downward, with a flywheel at the bottom of the downward draft, and a layer of gravel or sand underneath the wheel. ”

“ We shall send copies of our first number to several of our most respected cotemporaries, and would solicit their aid in notifying the mechanics of their vicinities, of the existence of the S. American. ”

“ Brooms made from the American broom corn are so much superior, for various uses, to any thing to be had in England, that they have become, within a few years past, quite a favorite in that country and are now exported thither in large quantities.—Ex. ”

“ Not having any similar available advantage, we would solicit the favour of every honest mechanic who may receive this paper, to use his influence in our favour, and induce as many more as possible to subscribe for it. ”

“ Extraordinary Phenomenon.—The inhabitants of the village of Moulton were greatly astonished on Saturday last, at observing a considerable quantity of hay (from a field where it was in cocks for stacking) rise rapidly into the air. ”

“ However, he was at last found in the smith's shop, where he was wont to have his shoes repaired. The smith said the horse entered and took the usual stand for shoeing. Upon examining his feet he found one shoe off, which he supplied. That horse is a sensible beast. ”

“ Burning Well.—A correspondent of the Cleveland Plain Dealer, gives an account of a burning well that may be seen at Southington Centre, in Trumbull county, Ohio. The well is 91 feet deep, all but 24 feet through sand-stone, quick sand and hard rock, which the augur used for boring could not penetrate. ”

“ He has discovered that it assumes new properties on being melted and poured into water, the metal becoming very malleable and soft, losing none of it tenacity, but still capable of being spun into the finest wire, pressed into any required form, or rolled into any thinness desired. ”

“ Thus it will be with the Scientific American; hundreds of people will wish for it in vain, when the first numbers are out. In anticipation of this circumstance, we shall print a few hundred more copies than are as yet ordered ”

“ Do. Samuel & J. D. Cope, Damascusville, Ohio, Feb 8th. Do. George B. West, Fairfield, Ohio, April 20th. Do. James A. Cutting, Haverhill, N.H., June 24th. Do. Jacob D. Fulkerson, Unity, Ohio, July 1st. Do. Oliver Reynolds, Webster, N.Y., Dec. 4th. Bee Palaces, Lemon Hamlin, Kirkersville, Ohio, July 13th. ”

“ Plough, wheel—Israel Long, Bucyrus, Ohio, March 9th. Potato-Diggers—Archibald G. Ketchum, Schenectady, N.Y., Feb 20th. Rake, grain—Benoni F. Partridge, On-ndaga, N.Y., March 13th. Rattoon and Cane Cutters—Robert Laure, Plaquemines, La., Sept 17th. Seeding, planting machines—Dierck Brewer, Petersburgh, Tenn., April 4th. Seeding, seed planters—Loea Pratt, Amherst, N. H., April 25th and Richard G. Gatling Murfreesborough, N. C. May 10th U. Kilburn, Lawrenceville, Penn., and F. Haines, Marietta, Penn., Dec 31st. Seeding, sowing machines—Ezra Fisk, Fayette, Me., Nov 18th. ”

“ Smut Machine—Meredith Mallory, Mount Morris, N.Y, Jan 20th. Jacob W. Brown, Mount Airy, N.C. Feb 28th. Do. James M. Clarke, Strasburg, Penn. March 20th. Do. Samuel Scammon and R. Nason, Waterville, Me., April 10th. ”