the india-rubber and the leather belts provednothing. Mere adhesion of two surfaces, or one slip-ping under a less load than the other, with the samewidth, is no criterion, for by applying foreign sub-stances, such as rosin or oil and rosin, the adhesioncan be greatly increased, and a small belt… … ISSUED FROM THE UNITED STATES PATENT-OFFICE FOR THE WEEK ENDING JUNE 13, 1865.Reported Officially for t&* SrieraWc American, XW Pamphlets containing the Patent Laws and fullparticulars of the mode of applying for Letters Patent,specifying size of model required and much other information useful…
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