Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 33
Fig. 7.—Bojcrdon^sPressure Gause. STEAM ENGINES. 13 … Fig. 8.—Steam Generator, thousand pounds on the square inch; they may also be made so delicateas to measure variations of pressure below that of the atmosphere. Thesimplicity and small size of these gauges, and the readiness with whichthey can be attached, render them most convenient instruments…
Inventions
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