The lever and the pulley

Describes how levers and pulleys make lifting and moving things easier.

M. Evans; distributed in association with Lippincott, Philadelphia
1971
9780871310729
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
225008858005721276381965535435LIS287T0004818531/H53116101181161610118116