(Machinery) Belt Advertising Covers. Balance of 91 ad covers mostly illustrated, 1870-1890's; an array of products and companies including The Link Belt Machinery Company - Chicago, Ill. (8 covers, 4 different designs with two in colors), Boston Belting Company - Boston, Mass. (4 different), The Bodifield Belting Co. - Cleveland, O., etc.; some flaws, Very Fine overall. Estimate  $400 - 600. $0 (Image)