for making mortar and cement. [AN IMPROVED TENSION DEVICE FOR LOOMS. F ridge, Col. Within a recess in the drawhead is mounted The method of testing was toram dry sand into a A device whereby, in weaving, as the warp is drawn a tongue forrifed with an inclined face, and rigidly con- graduated… … to receive a lug formed at the center of a cap plate. y The pivot bolts have a right-angular general form, their lower horizontal parts passing rather loosely diminished, the tension will remain constant, is il- through the knee lugs, and into the cap lug from op- lustrated herewith, and has been…
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