Surveying and Levelling Instruments, by William Ford Stanley 63834 [Subtitle: Theoretically and practically described.] [Contributor: H. T. Tallack] [Link: http://www.gutenberg.org/6/3/8/3/63834 ] [Files: ; 63834-0.txt; 63834-h.htm] Thanks to Chris Curnow, Ralph and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al