@book{116629,
	author = {Pickworth, Charles N.},
	title = {The slide rule},
	publisher = {Project Gutenberg,},
	year = {2025},
	address = {Salt Lake City, UT :},
	edition = {Seventeenth edition},
	note = {Release date is 2025-04-18},
	url = {https://archive.org/details/cu31924003979105}
}