What is a simple machine?
, [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 Item type: Contracted Braille List(s) this item appears in: Grade 2 Science | Grade 5 Science | Grade 4 ScienceItem type | Current library | Collection | Call number | Copy number | Status | Notes | Date due | Barcode |
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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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