The Torsion of Members Having Sections Common in Aircraft Construction (1930)
NASA Technical Reports Server (NTRS) · leaf 9
shaft and its stresses are easily calculated, and having the two films in the same plate makes it possible to compare torsional rigidities directly by com- paring volumes and to compare stresses directly by comparing slopes. In assembling the apparatus, a plate with the experimental hole and a… … Figure 2.—The soap-film apparatus with the upper part of the box removed to show the per- forated plate screws. It was recessed }{inch inside of the %-inch bearing surface on which the plate rested A square frame % inch thick and 2 inches deep formed the sides of the box; both bottom and frame were…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-156-44.webp)
