X-rays simply explained : a handbook on Röntgen rays in theory and practice (1904)
Howgrave-Graham, Robert Pickersgill, 1880- · London : Percival Marshall & Co · leaf 107
ts, B B the mirrors, and C C theeyes of the observer. It will l)e obvious that theprints must be equidistant from the mirrors and 102 X-HAVS Sl.MIM.Y KXri.AINKI) oxiutlv t»j.j»osiU» to cufli oIIht, and tlionj^li thoorhitaland acioninKjdatinLT ninscltS (»f i\m eyes may l»rin»^lilt two viowH iiiin… … Fig. 9. dark jjiinls ni (.M|ually dense negatives and lu illn-niinate tlieiii equally in tlie stereoscope. For satisfactory work a properly designed ai)})li-ance on the lines indicated by figs. 9 and 10 may easilybe constructed by the amateur. The wooden base-board in this example is about 36 in.…
X-rays · Radiography
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Catalog] (1891)](https://img.insideoutlibrary.com/img/200/ia-catalog1891repo-27-23.webp)
