Category:Keuffel and Esser Portland Cement slide rule-2004.010.0464

**Keuffel and Esser Portland Cement slide rule-2004.010.0464**
	specialised slid rule for computing ratios of Portland cement raw materials, donated by InteliCoat Technologies
	Upload media
Instance of	slide rule;
Made from material	wood; metal; celluloid;
Location	MIT Museum, Cambridge, Middlesex County, Massachusetts
Collection	MIT Museum;
Inventory number	2004.010.0464 (MIT Museum);
Width	3.175 cm;
Length	26.67 cm;
Authority file
	Q90246171;
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Media in category "Keuffel and Esser Portland Cement slide rule-2004.010.0464"

The following 3 files are in this category, out of 3 total.