4.10 Nestler, Germany
Another German maker of fine slide rules, Albert Nestler AG was founded in 1878 and lasted 100 years in the slide rule business. According to the Oughtred Society Albert Einstein favored the Nestler in his work, particularly the No. 23R.
Total number of Albert Nestler slide rules in the collection: 4. \(~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\)
||1920||L||wd||10||yes||rule in very nice condition; case: No 1a Albert Nestler AG; back: SLIDE RULE DATA SLIPS, compiled by C.N. Pickworth, Wh.Sc.; no Nestler name on rule itself; no scale on sides of rule; interesting curiosity|
||1925||L||wd||4||yes||small 4 inch rule; marked Germany on inside of stock and on leather case; similar items elsewhere marked Nestler|
||1930||L||wd||10||yes||rule in very nice condition; lid to case is missing|
||1930||L||wd||20||yes||rule in very nice condition; original wooden box with felt liner and Nestler logo inside|