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Scientific American, Vol. 37, No. 11 (September 1877) (1877)

leaf 4

An illustration from Scientific American, Vol. 37, No. 11 (September 1877), 1877, leaf 4
minute but per- a V groove in the flywheel of a portable engine, is led round woven tubular or of double thickness, with openings trans- ceptible quantity, spectrum A appears to have been slid past the field on pulleys and porters, and takes a turn round the versely through it at proper intervals… … telluric lines retain their continuity, assur- from the design of Mr. J. II. Knight, of Farn- KNIGHT'S EOF CULTIVATOE. ing us that no mal-adjustment has occurred. ham. It will be admitted that this change is, if real, excellent B. The latter have studs or arms of wood, C, fixed into their…

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