Paper  abstract   bibtex   

@book{hamel_hamel_nodate,
	title = {{HAMEL} {Special} {Slide} {Rule}},
	url = {http://archive.org/details/HamelSpecialSlideRule},
	abstract = {Instruction booklet which came with the HAMEL Special Slide Rule used in textiles calculations. The instructions are given in seven different languages. {\textbackslash}textlessbr /{\textbackslash}textgreater},
	language = {eng},
	urldate = {2014-03-25},
	author = {{HAMEL}},
	keywords = {Slide rule}
}