The Twitchell Acidometer : Notes from the Oesper Collections, No. 20, May/June 2013

Author
Jensen, William B.
Issue Date
2013-04-29
Item Type
Article
Degree Name
Academic Department
Identifiers
Keywords
Subject
Cincinnati Observatory
Twichell, Henry
Twichell, Ernest
Twitchell, George
Mitchel, Ormsby
Publisher Link
Abstract
Description
The 20th issue of Notes from the Oesper Collections describes a unique chemical apparatus known as a "Twichell Acidometer" invented by Henry Twitchell of Cincinnati in 1870. Henry and his sons, Ernest and George Twitchell, all played significant roles in the development of science in 19th- and early 20th-century Cincinnati.
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