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Scientific American, Vol. 33, No. 23 (1875) (1875)

leaf 7

An illustration from Scientific American, Vol. 33, No. 23 (1875), 1875, leaf 7
e bottom plate is made with a rear- _—_— +O OO ward extension and an external box or chamber. which pre- is a secret. The inventor, Mr. Thomas of Chicago, wants to bet Keely $5,000 that his motor will do all Keely’s does and vents the escape of ashes. On the bottom plate is cast a se- that… … about five feet long. This bar acts on the same pattment. It may be inserted or removed as de- principle as the lever of a safety valve,the top of the sired in order to increase or diminish the draft. HASENRITTERS IMPROVED SADIRON. iron rod being the fulcrum, and the weight on the The sliding door,…

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