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The industry then grew into the earliest corporate builders such as [[Brown & Sharpe]], the [[Warner & Swasey Company]], and the [[Pratt & Whitney Measurement Systems|original Pratt & Whitney company]]. In all of these cases, there were product manufacturers who started building machine tools to suit their own inhouse needs, and eventually found that machine tools had become product lines in their own right. (In cases such as B&S and P&W, they became the main or sole product lines.)
In contrast, [[Colt's Manufacturing Company|Colt]] and [[Ford Motor Company|Ford]] are good examples of product manufacturers that made significant advances in machine tool building while serving their own inhouse needs, but never became "machine tool builders" in the sense of having machine tools become the products that they sold. National-Acme was an example of a manufacturer and a machine tool builder merging into one company and selling both the machines and the products that they made ([[automatic lathe|screw machines]] and fasteners).<ref name="Rose1990pp564-565">{{Harvnb|Rose|1990}}, [
Until the 1970s, machine tool builder corporations could generally be said to have nationality, and thus it made sense to talk about an American machine tool builder, a German one, or a Japanese one. Since the 1970s, the industry has [[globalization|globalized]] to the point that assigning nationality to the corporations becomes progressively more meaningless as one travels down the timeline leading up to the present day; currently, most machine tool builders are (or are [[Subsidiary|subsidiaries]] of) [[multinational corporation]]s or [[Conglomerate (company)|conglomerates]]. With these companies it is enough to say "multinational corporation based in country X", "multinational corporation founded in country X", etc. Subcategories such as "American machine tool builders" or "Japanese machine tool builders" would be senseless because, for example, companies like [[Hardinge, Inc.|Hardinge]] and [[Yamazaki Mazak Corporation|Yamazaki Mazak]] today have significant operations in many countries.
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Major trade shows of the industry include IMTS ([[International Manufacturing Technology Show]], formerly called the International Machine Tool Show) and [[EMO (trade show)|EMO]] (French ''Exposition Mondiale de la Machine Outil'', English "Machine Tool World Exposition"). There are also many smaller trade shows concentrating on specific geographical regions (for example, the Western US, the mid-Atlantic US, the Ruhr Valley, or the Tokyo region) or on specific industries (such as shows tailored especially to the [[moldmaker|moldmaking]] industry).
==
[[L. T. C. Rolt]]'s 1965 monograph, ''A Short History of Machine Tools'',<ref name="Rolt1965">{{Harvnb|Rolt|1965}}.</ref> is a widely read classic, as are the series of monographs that Robert S. Woodbury published during the 1960s, which were collected into a volume in 1972 as ''Studies in the History of Machine Tools''.<ref name="Woodbury1972">{{Harvnb|Woodbury|1972}}.</ref>
In the second part of the 20th century Moore (1970) wrote about the Moore family firm, the Moore Special Tool Company, who independently invented the [[jig borer]] (contemporaneously with its Swiss invention), and Moore's monograph is a seminal classic of the principles of machine tool design and construction that yield the highest possible [[accuracy and precision]] in machine tools (second only to that of [[metrology|metrological]] machines). The Moore firm epitomized the art and science of the [[tool and die maker]].▼
▲In
Noble (1984) is one of the most detailed histories of the machine tool industry from World War II through the early 1980s, relayed in the context of the social impact of evolving automation via NC and CNC. And Hounshell (1984) wrote one of the most detailed histories of the machine tool industry from the late 18th century through 1932. Not comprehensive in terms of firm names and sales statistics (like Floud focuses on), but extremely detailed in exploring the development and spread of practicable interchangeability, and the thinking behind the intermediate steps. Extensively cited by later works.▼
▲[[David F. Noble]]'s ''Forces of Production'' (1984)<ref name="Noble1984">{{Harvnb|Noble|1984}}.</ref> is one of the most detailed histories of the machine tool industry from World War II through the early 1980s, relayed in the context of the social impact of evolving automation via NC and CNC.
More recently Holland (1989) wrote a history most specifically of Burgmaster, which specialized in turret drills; but in telling Burgmaster's story, and that of its acquirer Houdaille, Holland provides a history of the machine tool industry in general between World War II and the 1980s that ranks with Noble's coverage of the same era (Noble 1984) as a seminal history. Later republished under the title ''From Industry to Alchemy: Burgmaster, a Machine Tool Company.▼
▲
== See also ==
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{{Reflist}}
==
{{sfn whitelist |CITEREFNoble1984}}
* {{Colvin1947}}
* {{citation | last = Floud | first = Roderick C.
| publisher = Cambridge University Press | ___location = Cambridge, England
* {{Holland1989}}
* {{Hounshell1984}}
* {{Citation |last=Moore |first=Wayne R. |author-link=Wayne Moore (swimmer) |title=Foundations of Mechanical Accuracy |publisher=Moore Special Tool Co. |___location=Bridgeport, Connecticut,
* {{Noble1984}}
* {{Roe1916}}
* {{Roe1937}}
* {{Rolt1965}}
* {{Citation | last = Rose | first = William | year = 1990 | title = Cleveland: the making of a city | publisher = Kent State University Press | isbn = 978-0-87338-428-5 | url=
* {{Citation |last=Jerome |first=Harry |year= 1934 |title=Mechanization in Industry |journal=NBER |publisher=US National Bureau of Economic Research |___location= Cambridge, Massachusetts,
* Ryder, Thomas and Son, ''Machines to Make Machines 1865 to 1968'', a centenary booklet, (Derby: Bemrose & Sons, 1968)
* {{citation | last = Woodbury | first = Robert S. | year = 1972
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