ng ones. stand, the mechanical device which makes the steam There is nothing complicated about thisoperation, and engine a success and power among us. the apparatus itself is simple. A concave dish filled The thoughtful child seeing a train of cars asks: with wet sandy loam, and covered with What… … colors. It consists in spreading some article for which they have long felt the SECTIONAL MODEL OF STEAM ENGINE. cherry-laurel leaves, that have been chop- want. ped up fine, over the bottom of a glass or The dimensions are as follows : Cylinder In order to spread a butterfly it is pinned to the…
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