n America; and moreover, the Indians (Monte- »-.«.-o. The Hot Air Engine. A B C is the frame. Fig. 1 is the reel for the thread. 2 is a zumas) are fast dying out. L. G. Fellner. To the Editor of the Scientific American: spindle which, moving to the right, conveys the thread to San Cristoval, New… … engine alone. and seat; and at others it bothers me to start it for the same the stitch and keeps it tight till the needle has brought an- With our present light on thermo-dynamics,he may say that, reason. Frank 0. Clark. other stitch through the last taken; and so it goes on alter- in the steam…
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