The boy's own book of indoor games and recreations : a popular encyclopædia for boys (1890)
Stables, Gordon, 1840-1910, Hutchison, George Andrew, 1841-1913 · Philadelphia : J.B. Lippincott · leaf 143
a drawing on anenlarged scale, s is the bed-plate, t the steam supply, and x the exhaust. You will observe that the steam is coming in at the top of the cylinder, throughthe top port, as shown by the arrow, pressing the piston down and alloT\ing thewaste steam that has already raised the piston to… … THE BOYS OWN MODEL LAUNCH ENGINE. 139 Flfi I put in communication with the exhaust, and allows the steam to pass out of the toppart of the cylinder, whilst it admits it to the lower portion, and so on alternately. And now to the practical work. After having the cylinder bored, as alreadymentioned,…
Games · Amusements
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