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Scientific American, Vol. 49, No. 23 (December 1883) (1883)

leaf 3

An illustration from Scientific American, Vol. 49, No. 23 (December 1883), 1883, leaf 3
ate is thoroughly open at the outer ends and closed at the inner. The piston of people lost their lives. The difficulties may be imagined cleaned and carefully coated with graphite, the work being when it is known'that forty tunnels occur in as many miles, rods pass through the closed ends, and… … Mr. H. B. Robinson, at the British Association, has been wete congenitally deaf had in almost every instance relatives CALVER'S FORCE PUMP. urging, from the experience of life assurance offices, the who were deaf-mutes also. The total number of deaf-mutes value of abstinence from strong drinks as a…

Patented · Patents · Apparatus · Feet · Scientific American · Improved · Steam engines · Meteoric dust · Horse power · Patent office · Sewing machine · Electric light · Screw cutting · Cubic foot · Life assurance

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