Project Gutenberg 2018-05-09 Public domain in the USA. 70 Richards, John 1834 Richards, J. (John) The Economy of Workshop Manipulation A logical method of learning constructive mechanics. Arranged with questions for the use of apprentice engineers and students. Produced by Chris Curnow, Monika M. C. and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) en Machine-shop practice TJ Text Browsing: Computers & Technology Browsing: Engineering & Construction 508634 508644 2024-08-23T14:23:13.212946 2023-09-24T12:28:55.620253 text/html text/html 512800 2018-05-08T17:20:54 text/html; charset=utf-8 291813 2018-05-08T17:20:56 text/html; charset=utf-8 application/zip 312445 2024-08-23T14:23:20.542981 application/epub+zip 320364 2024-08-23T14:23:14.644950 application/epub+zip 256342 2024-08-23T14:23:13.958961 application/epub+zip 479741 2024-08-23T14:23:25.455906 application/x-mobipocket-ebook 423807 2024-08-23T14:23:19.870918 application/x-mobipocket-ebook 363514 2022-08-25T16:42:14.816546 application/x-mobipocket-ebook 466464 466261 2024-08-23T14:23:12.201990 2023-09-24T12:28:54.665233 text/plain; charset=us-ascii text/plain 466773 2018-05-08T17:20:50 text/plain; charset=utf-8 155658 2018-05-08T17:20:56 text/plain; charset=utf-8 application/zip 17911 2024-08-23T14:23:25.608879 application/rdf+xml 11757 2024-08-23T14:23:14.058936 image/jpeg 1683 2024-08-23T14:23:14.008941 image/jpeg 292673 2024-08-23T14:23:13.259965 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog