W. Ross Macdonald School Library

What is a simple machine?

by Darby, Gene. , [contracted braille] / Series: The What is it series Published by : American Printing House for the Blind, (Louisville, Ky. :) Physical details: 1 v. of contracted braille. Year: 1969 List(s) this item appears in: Grade 2 Science | Grade 5 Science | Grade 4 Science
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Item type Current library Collection Call number Copy number Status Notes Date due Barcode
Contracted Braille Contracted Braille W. Ross Macdonald School Library
General Stacks
Non-fiction 531.8 DAR (Browse shelf (Opens below)) Copy: 1 Vol: 1(1) Available Tactile illustrations. 2012-1867

Contracted braille.

Describes simple machines--the wedge, screw, wheel, inclined planes, pulley, and lever, and shows how they work.

Transcribed from: Chicago : Benefic Press, 1961.

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