Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 264
tothe bend, and the upper end is twisted into a ring sothat when not in use it may be hung on a nail driveninto the side of the board near the top. The arrange-ment for reading consists of a piece of stiff card-board tacked on to a piece of a meter-stick about 10 icm. long. The support for this… … 252 APPENDIX 0. ported vertically, either by nailing its lower end on to a weightedbox, or by fastening it to a base-board about 1 ft. square. TheBoyles-law apparatus may be secured to one side and the Speci-fic-gravity apparatus to the other. Exercises 11 and 12.—The meter stick is supported by…
Physics
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