Patent Model - Improvement in Rolling Rubber into Sheets and in Applying the Same to Fabrics

Maker and role
David Hull (b.1828, d.1916), Patentee
Production date
Sep 03 1867
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Object detail

Wood, iron
7 1/2 x 8 1/4 x 2 1/2" (19.1 x 21 x 6.4cm)
Hull's patent improves the "manufacture of sheets of rubber by means of rollers, the same consisting in the formation of two separate sheets by two pairs of reducing-rollers, and subsequently bringing together and uniting the two sheets so made, by means of two rollers, and by the pressure of such sheets between such rollers as specified." (Patent Number 68,365)
Object number
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