The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 311
ing number. Fig. 1. Figure 1 represents the section ofa cylinder and nozzle of the formgenerally used, with the addition of avalve for reversing, made with twopistons to obviate the pressure at-tendant on the use of the slide valve—the pressure on the pistons beingthe same on both ends. Figure 2 is… … Fig. 2. Fi?. 3 ^Jl^ -
Architecture · Civil engineering · Science
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