United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 169
Fig. 12. Carvers method. … Fig. 13. To show how movement of shadows varies wit h distance from screen162 [& */ ~PoSiriojr focus at n ) T -6 Cfsr.?6$irto«,F0lV$AT^ ^ Fig. 14. Jordans method. Appearance of image for two positions of the tubewhen rods and foreign body are at different levels. (a.rt% posjrjMjrocus *t f^ \ 73…
![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-267-172.webp)
