. Glasgow mechanics' magazine; and annals of philosophy . pring water, and shake Amer-ican hellebore upon them with a commonpowder-puff. NOTICES TO CORRESPONDENTS. We have also received information •A. Z., Wilton; A Mechanic; S. T., &c. liave been received,as to the Dunbar Mechanics Institution. Communic/ations from intelligent Mechanics will be very acceptable, in whateverstyle they ruay be written, if they contain a full account of the invention or im-provement, which is the subject of their notice. ^»^tfK<j^<»^»wrfNr^^^ Published every Saturday, by W, R. MPhun, 155, Trongate, Glasgo\r
. Glasgow mechanics' magazine; and annals of philosophy . pring water, and shake Amer-ican hellebore upon them with a commonpowder-puff. NOTICES TO CORRESPONDENTS. We have also received information •A. Z., Wilton; A Mechanic; S. T., &c. liave been received,as to the Dunbar Mechanics Institution. Communic/ations from intelligent Mechanics will be very acceptable, in whateverstyle they ruay be written, if they contain a full account of the invention or im-provement, which is the subject of their notice. ^»^tfK<j^<»^»wrfNr^^^ Published every Saturday, by W, R. MPhun, 155, Trongate, Glasgo\r, to whomCommunications (post paid) must be addressed, CURLt, PRINTER. THE MECHANICS MAGAZINE, CONDUCTED BV A Committee of Civil Engineers and Practical Mechanics. Genius is praised, but hungry lives and cold. ^,^^.vw-w^-vwv~-^ What man seeing this. And having human feeling, does not blushAnd hang his head to thinl: himself a man ? No. XCIII. Saturday, \st October, 1825. Price Sof. PARKINS PRINTING Vol. IV. 98 THE GLASGOW IMPROVEMENTS IN MACHINERY FOR PRINTING To Thomas Parkin, of Baches-row, City Road, in the Countyof 3Iiddlese:r, Merchant, for hisInvention of certain Improve-ments 171 Machinery, or Appara-tus, applicahle to, or employedin, Printing, [Sealed, 15th May, 1824.] ^ This machine is designed for let-^*ter-press piinting, having one form^^of types placed on a traversingHable, with a pressing cyhnder inthe middle, and the sheets of paperto be printed are alternately con-ducted by means of nipping rollersand an endless blanket from tym-pans on each side of the pressing?cylinder: whence after passing overthe foim of types, and receiving theimpression, they are carried upbetween endless tapes, and are dis-charged fiom the machine on towooden tables above. The opei^a-tions of this machine are butslightly varied from seveml otherprinting machines that have pre-ceded it, but the mechanical con-struction differs considerably • insevdap parte. •^
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