Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . DiVEIts, page 714. Helve. 1. The handle or shaft of a chopping-tool,such as an axe, adze, or hatchet. See H.\NDLE. HELVE-HAMMER. 1099 HEMP-RRAKE. 2. A tilt-liammi-r, used for shingliug the balls asthey come IVorn tlie imdiUing-funiace. Helve -hammer. A poiideious blacksmithshammer, tii|>lied by the helve aud oscillating onbearin;^.s. A friji-hai)iin:r
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . DiVEIts, page 714. Helve. 1. The handle or shaft of a chopping-tool,such as an axe, adze, or hatchet. See H.\NDLE. HELVE-HAMMER. 1099 HEMP-RRAKE. 2. A tilt-liammi-r, used for shingliug the balls asthey come IVorn tlie imdiUing-funiace. Helve -hammer. A poiideious blacksmithshammer, tii|>lied by the helve aud oscillating onbearin;^.s. A friji-hai)iin:r, Hema-drome-ter. (Surgical.) An instrumentfor inc-asuring the velocity of the blood ill the arte-ries. Hema-dyna-mome-ter. {Surgical.) An in-strument for measuring the force of tlie currant ofblood in the arteries, by ascertaining the hight towhich it will raise a column of niercOry. Hemi-spheres of Magde-burg. Devised byOtto Guericke, 1654, to illustrate the pressure of theatmos|ihere. See M.\ Hemmer. An attachment to a sewing-machinefor turning over the edge of a piece of fabric or agarment, in order that the flap may be stitcheddown. As the fabric is fed along, the edge is turned Fig. 2497. Fit. Jletnorrholflnl- Sijrin^e. It over in a curved path,and is then flattened bythe presser-foot ready forstit dung by the nee lie. Hemor-rhoidal-syringe. (Surgical.) Xform of injection-syringefor the treatment of the example, the nip-ple on the bulb enters therectum, and a stream ofcold water is passdthrough the bulb, andcirculates within theclosed portion within therectum. Hemp. Hemp is not mentioned in our transla-tion of the Hebrew Scriptures, and but sjiaringly inthe Greek classics. Hesiod and Homer make no mention of hemp,is first mentioned by Herodotus : — Hemp grows in Scythia ; it is very likeflax ; only it is a much coarser and tallerplant; some grows wild about the country,some is produced by cultivation. The Thra-cians make garments o
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