I. A Pathway of Cement 3 Purchasing property, River Passaic--Removing rocks and other obstacles--Preparing for cement sidewalk--Digging trench and purchasing materials--Making, laying, and properly placing concrete--The lever and roller and application--Moving heavy bodies with lever and roller--Finishing the cement sidewalk--How to make good concrete walks. II. Building of a Boat House 36 Qualities of the inclined plane--Dismantling an old barn and out-houses--Blocks and tackle, ropes and pulleys--Strength and care of ropes--Building a boat-house, using old materials--Strength of timber floors--Method of construction--Holding power of nails--Doors and windows for boat-house--The use of rol…
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