Western Roentgen Society · Iowa City, Iowa · leaf 36
THE JOURNAL OF ROENTGENOLOGY 22 t … STRUCTURAL PLAN OF A SIMPLE CRYSTAL This drawing represents the structure of a crystal of potassium chloride, a substance similar to ordinary salt, as deduced from its action upon X rays. The dark spheres represent chlorine atoms, the light ones atoms of po- tassium. It will be seen that the unit…
Radiotherapy · X-rays
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-62-127.webp)
