Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 90
Fig. 29 lutely no doubt as to the safe construction of the boilers,and their ability to withstand the pressures under whichthey are operated, the author has compiled the following … Fig. 30 by such eminent authorities as Dr. Thurston, Prof. Wm.Kent, Dr. Peabody, D. K. Clark, Hutton and many otherexperts have been consulted, and the author has also addeddata regarding the construction and strength of boilers.The deductions and reports of tests and experiments made 77 1 78 Steam…
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-24-10.webp)
