Object Record

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Title Slide rule: "Ever-There" 4098, 5", advertising special, made by Keuffel & Esser Co., N.Y. (Hoboken, N.J.), n.d., ca. 1931-1936.
Object Name Rule, Slide
Catalog Number 2010.007.0054
Collection Keuffel & Esser Company Collection
Credit Museum Collections. Gift of a friend of the Museum.
Description "Ever-There" 4098 slide rule, 5 inch, advertising special, made by Keuffel & Esser Company, N.Y. (Hoboken, N.J.), no date, circa 1931-1936. White Xylonite (white celluloid), 5" (6" overall length); engine divided in black and red; engraved on back "Pacific Pump Works"; transparent "frameless" xylonite indicator. Serial number 18360. With: smooth leather sheath gilt stamped "Pacific Pump Works."

Hand-engraved on stator beneath slide: Dr. R.E. Humphreys.

Front scales: A B CI C D K
Scales on reverse of slide: S L T (note slide does not invert; see detail end view)
Back has a 13 centimeter ruler and 5 inch ruler.

The 4098, a pocket polyphase slide rule (a small version of the 4053), was apparently introduced in 1931; replaced as the 4098A in 1936. Imaged is page 48 from a 1934 price list for the 37th edition catalog of 1927 noting it as product added since the edition was first issued.

K&E main offices and factory were in Hoboken when this item was made.
Date 1931-1936
Year Range from 1931
Year Range to 1936
Search Terms K & E
Keuffel & Esser Co.
Caption imprinted smooth leather case; back of rule engraved: Pacific Pump Works
Imagefile 074\20100070054-2.TIF
Classification Manufacturing
Business & Commerce