eter, and face-jointed, was about £400. Scudder, of Cambridge; Dr. Elliott Coues, Professor Francis having a cam formed on its head that engages a similar cam 8. Walker, and Professor G. ‘F. Barker, of Philadelphia. formed on one of the ears. A lever, B, is secured to this It has been said that the… … Philadelphia; on ‘‘ Continu- tion of the toggle, F, when the sleeve, G, is moved to- ation of Researches in Con- ward the pulley. Of course nection with the Discovery house had been erected at that distance from the stamping it will be understood that moving either the cone, C, or the of Oxgen in…
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