Glasgow mechanics' magazine; and annals of philosophy (1824) (14586376549)

Identifier: glasgowmechanics04glas (find matches)

Title: Glasgow mechanics' magazine; and annals of philosophy

Year: 1824 (1820s)

Authors:

Subjects: Civil engineering

Publisher: Glasgow : W.R. M'Phun

Contributing Library: Harold B. Lee Library

Digitizing Sponsor: Brigham Young University

Text Appearing Before Image:

rs—whichforages abroad in quest of food and pro-vision, both for present subsistence andto store up against inclement seasons,another division to receive and carefullyto lay past the produce of the dayssearch, besides those that are employedin forming the cells, and properly layingout the work. Every member is vigi-lant and active, and all is conductedwith the most admirable harmony. (To he continued*) Published every Saturday, by W. R. MPhun, 155, Trongate, Glasgow, to whomCommunications (post paid) must be addressed. riJRM., rillNTKR. THE aiiABGOW MECHANICS MAGAZINE, CONDUCTED BY A Committee of Civil Engineers and Practical Mechanics. Then towns he quickend by mechanic arts.And bade the fervent city glow with toil;Bade social commerce raise renowned marts,Join land to land, and marry soil to soil.Unite the Poles, and without bloody spoilBring home of either Ind the gorgeous stores. No. CXI. Saturday/, 4<th February^ 1826. Price 3rf. IMPROVED BLOWING MACHINE; THAUMATROPE, &L

Text Appearing After Image:

Vol. IV. m THE GLASGOW r- .^ 1 IMPROVED BLOWING MACHINE.(^^ \*By Messrs. Jeffries & Halley, Great Guildford, Southwark, Fig. 1 is an end view of the ma-chine ; and fig. 2 is a section of it,taken in the opposite direction.— The same letters in the followinsc • • • description refer to the same part« in both ^gures. a, a cranked handle,worked by two or more men, orby any otlier power, according tothe size of the machine; b, a fly-wheel fixed on the end of the axis,opposite to that where the handleis placed, for the purpose of equal-izing the motion; c, a crank fixedon the middle of the axis, andworking in an air-tight semicircularbox. By means of this crank, therevolving motion impressed at thehandle, is converted to a recipro-cating one, for the purpose of al-ternately opening and shutting thevertical bellows, d. These bellows,from their vertical position, requireonly a small degree of power tokeep them in action ; they drawin the external air by valves si-tuated above th

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1824

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