http://book.klll.cc/ebooks/subject/8335.opds 2025-08-03T07:25:48Z Books about Technology -- Periodicals (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/subject/8335.opds?sort_order=title Sort Alphabetically by Title 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/subject/8335.opds?sort_order=release_date Sort by Release Date 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/38481.opds Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/19180.opds Scientific American, Volume XXIV., No. 12, March 18, 1871 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/19406.opds Scientific American, Volume XXXVI., No. 8, February 24, 1877 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/18866.opds Scientific American, Volume 40, No. 13, March 29, 1879 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/43391.opds Appletons' Popular Science Monthly, December 1898 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/29411.opds Scientific American magazine Vol 2. No. 3 Oct 10 1846 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/47384.opds The Quarterly Journal of Science, Literature and the Arts, July-December, 1827 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/44544.opds Appletons' Popular Science Monthly, April 1899 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/38480.opds Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/47183.opds Appletons' Popular Science Monthly, April 1900 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/48300.opds Scientific American, Volume 56, No. 9, February 26, 1887 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/21081.opds Scientific American, Volume XLIII., No. 25, December 18, 1880 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/47296.opds The Popular Science Monthly, October, 1900 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/45361.opds Appletons' Popular Science Monthly, July 1899 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/43282.opds Scientific American, Vol. XXXIX.—No. 6. [New Series.], August 10, 1878 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/44725.opds Appletons' Popular Science Monthly, November 1899 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/38482.opds Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/44297.opds Appletons' Popular Science Monthly, March 1899 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/47180.opds Appletons' Popular Science Monthly, January 1900 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/45115.opds Appletons' Popular Science Monthly, June 1899 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/46383.opds Appletons' Popular Science Monthly, September 1899 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/987.opds The Scientific Monthly, October to December, 1915 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/46473.opds Appletons' Popular Science Monthly, March 1900 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/47219.opds Appletons' Popular Science Monthly, May, 1900 Various 2025-08-03T07:25:48Z https://book.klll.cc/ebooks/47227.opds The Popular Science Monthly, June, 1900 Various