Category:Keuffel and Esser-Model 4181-1 Log Log Duplex Decitrig-1985.086.004

**Keuffel and Esser-Model 4181-1 Log log Duplex Decitrig slide rule-1985.086.004**
	Keuffel and Esser-Model 4181-1 Log log Duplex Decitrig slide rule, with the name "Buechner" written on the right metal brace, donated by Mrs. William W. Buechner
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Instance of	slide rule;
Made from material	plastic; metal;
Location	MIT Museum, Cambridge, Middlesex County, Massachusetts
Creator	Keuffel and Esser;
Collection	MIT Museum;
Inventory number	1985.086.004 (MIT Museum);
Width	3.81 cm;
Length	17.78 cm;
Authority file
	Q90222332;
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Media in category "Keuffel and Esser-Model 4181-1 Log Log Duplex Decitrig-1985.086.004"

The following 5 files are in this category, out of 5 total.