e, of counterpoise. to a gunsmith who is to construct a weapon of value But, again, is it the right hand that obeys the right ment : for a marksman who aims with both eyes open, to eye or vice versat Does the right hand owe its advan- Place in front of your eyes two paper or cardboard know whether… … nated medium, but it may make use of but one of the Fig 8.-READING AT WILL WITH THE RIGHT OR LEFT Fig. 1.-EXPERIMENT TO SHOW WHETHER A PERSON'S two windows at its disposal, according to the require- EYE, BOTH EYES BEING OPEN. SIGHT IS RIGHT OR LEFT HANDED. ments of vision. These operations of the…
Microbes · Chemical · Scientific American · Munn · Hot air · Foul air · Perspective views · Bowling alley · Electric motor · Piston valve · Chemical action · Eyes open · Dozen perfection
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