#pseudosolids

* Plate XIV. Composite photograph showing path of each component particle of a foam cylinder. (cropped from border, and squared; sharpened one step) George F. Becker (1847-1919 *) and Arthur L. Day 1869-1960 *). "An Interesting Pseudosolid." Proceedings of the Washington Academy of Sciences 7 (July 24, 1905) : 289-299 Princeton copy, (miscellaneous Papers from the Geophyical Library, Carnegie Institution), digitized January 11, 2010 Harvard copy (opening to above image), archive.org

epigram   289

We next turned to the white of egg... (it is imperative that it be very fresh)   290 The remainder of the process was mechanical.   293