Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 509
resented by as many types of water-proofing machines. With thefirst type of machine water-proofing was effected by passing the ^ This process is covered by U. S. Patent, No. 933,861, issued September 14,1909, and by several other patents issued subsequently. ;oo H. J. M. Creighton. [J. F. I. fabric… … spider on which was spirally wrapped a one-inch square aluminiumdrawn bar. Inasmuch as a certain time period is required for theproper impregnation of the fabric, and since, furthermore, therollers had a very small area of contact, the speed of this machine Oct., 1921.] Water-proofixg of Fabrics.…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-98-34@270.webp)
