. Rubber hand stamps and the manipulation of rubber; a practical treatise on the manufacture of India rubber hand stamps, small articles of India rubber, the hektograph, special inks, cements, and allied subjects . Vulcanizing Flask Clamp. A large sized gas heated press, such as made forthe purpose of manufacturing rubber stamps, isshown in the next cut, p. 53. Its construction isobvious. It is termed by the trade a vulcanizer. Itsmanipulation will be given furtlier on. Type are generally the object to be are best set up with high quads and rather a large type is
. Rubber hand stamps and the manipulation of rubber; a practical treatise on the manufacture of India rubber hand stamps, small articles of India rubber, the hektograph, special inks, cements, and allied subjects . Vulcanizing Flask Clamp. A large sized gas heated press, such as made forthe purpose of manufacturing rubber stamps, isshown in the next cut, p. 53. Its construction isobvious. It is termed by the trade a vulcanizer. Itsmanipulation will be given furtlier on. Type are generally the object to be are best set up with high quads and rather a large type is chosen, with extrawide spaces between the letters. Some advise rub-bing the type faces full of hard soap, afterwardsbrushing off the face, leaving the hollows wax is recommended for the same pur- AND THi£ MANIPULATION OF RUBBER. 53 pose. This prevents the plaster of the matrix en-tering so deeply into the cavities of the letters. The type forming the model to be reproduced, islocked in a frame. Two pieces of printers furni-. Gas-heated Stamp Vulcanizer. ture or other wooden strips screwed together bywood screws at their ends will answer for a lockingframe for small inscriptions. The model to be copied need not be type, but anydesired relief may be used, such as an electrotype, astereotype, an engraving or another rubber any case it is to be placed upon a flat surface,best an ^imposing stone or piece of marble, with 54 RUBBER HAND STAMP MAKING the inscription upwards. On each side of it dis-tance pieces reaching about one-eighth inch aboveits upper surface are to be placed. The next shaping appliance is the matrix ormould, or reverse of^the model which is to becopied. This in the case of rubber stamps is prop-erly called the matrix. Those who have witnessedthe stereotyping of a large daily newspaper haveseen the matrices of the type made of paper andpaste, the whole mixture being termed ^ a matrix is required for rubber type, butpaper is rat
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidrubberhandstamps01sloa
