Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 202
Fig. 350. Fig. 301. steam under pressure is invisible like gas, the space occupied by it is shown as empty.If the direction of its movement is desired, it is indicated by arrows. Steam issuinginto atmosphere, or boiling in an open kettle, has the appearance of a very light smokeor cloud (Fig. 351).…
Mechanical drawing
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-436-69.webp)
