Draft:Logan Henderson (engineer)
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For the American actor and singer, see Logan Henderson.
Logan Henderson (c. 1770-1790) was an English engineer employed at Boulton & Watt, developers and vendors of the earliest commercially successful steam engine. He played a significant role in recruiting and retaining talent during the early development of the company, and in the invention of "The Counter," one of the first instruments for measuring the work output of an industrial machine.
Although little is known about Henderson's early life, correspondence cited from the Boulton & Watt archives[1] indicates that prior to his hiring he was a lieutenant in the Royal Marines and had been an unsuccessful planter in the West Indies. In their history, James Watt and the Steam Engine, H.W. Dickinson and Rhys Jenkins note that Henderson was the first technical assistant employed by Boulton & Watt, where he also served as an "erector," supervising the construction and installation of some of the earliest steam engines.[2]
Dickinson and Jenkins recount how Henderson drew on an idea originating with Boulton to work with the Liverpool firm Wyke and Green to adapt their pedometer mechanism to make a device that would count the strokes of a steam engine. This device, which Boulton & Watt used to calculate royalties due from a customer, may have been the first mechanical means to measure the work output of an engine.
Christopher Olive, in his discussion of Boulton & Watt staff, describes Henderson as difficult to get along with. Boulton & Watt biographer Samuel Smiles calls Henderson "a sort of Jack-of-all-trades and master of none."[3] Although he was friendly with Watt and may have been critical to the firm's retaining William Murdoch, a key employee later responsible for applying the steam engine to train locomotives, Boulton had a very unfavorable opinion of Henderson and viewed him with suspicion, describing him as "most diabolical."
By 1790 Henderson had left Boulton & Watt and applied without success to be Engineer of the Dublin Waterworks.
References[edit]
- ^ "Christopher Olive, "Hidden Histories: Boulton & Watt's Skilled Engineers,West Midlands History, "Hidden Histories: Boulton & Watt's Skilled Engineers"
- ^ Dickinson, H.W.; Jenkins, Rhys (1989). James Watt and the Steam Engine: The Memorial Volume Prepared for the Committee of the Watt Centenary Commemoration at Birmingham 1919. London: Encore Editions. pp. 147, 227. ISBN 0-903485-92-3.
- ^ Smiles, Samuel (1865). Lives of Boulton and Watt. London: John Murray, via Project Gutenburg. p. 262-263.