knihárske a tlačiarenske stroje
Bookclasp Details I
Book Clasps: escutcheon pins were modified as rods which spans the clasp catch and for riveting clasps to the boards. were also used to attach and secure hinge mechanism then, the hasp length was estimated and trimmed the strap, or hasp, made of 22 gauge brass, was curled very slightly until it just clipped over the bar on the top catch plate. the swell of the book creates enough tension to hold it closed, and simply pressing on the top of the book board will release the clasp.