ting the one described. This contains a wire by means of which telegraphic de- and between the flanges of the latter. spatches may be sent to the instrument,Q U is the man- Patented January 1, 1867. Further particulars may be ob- The two valves just described have bent arms, H, extend- ing from… … derneath the compass box, working in a socket fixed at the the main cylinder next adjacent to the end of the same to- top of a conical support. The pendulum is about two feet ward which the piston head has advanced. It will be ob in length, and is attached to the small bal], which has thus served…
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