1867
The revolutionary benefits of turret lathe were recognized in 1867
https://books.google.co.in/books?id=gPSDDwAAQBAJ&pg=PT32#v=onepage&q&f=false
Patent
US403120A * 1889-05-14 Lathe for turning non-circular forms
Patent
US531203A * 1894-12-18 Lathe for turning elliptical forms
1900
Patent
US675469A * 1900-07-12 1901-06-04 Henry Derrer Lathe for turning irregular forms.
Patent
US654861A 1900-07-31 Boring-tool.
In 1900, in a Paris exhibition, an American Machine tool builder displayed an automatic screw machine that could do all the operations on a handwheel of a sewing machine. The operator has to load castings and change the tools.
Manufactures, 1905, Part 4
Front Cover
U.S. Government Printing Office, 1908 - United States
https://books.google.co.in/books?id=A7dqaI4oymoC&pg=PA232-IA4#v=onepage&q&f=false
1901
In 1901, diamond turning was first used in Zeiss.
Comprehensive materials processing, Newnes, 5614 pages, 13 volumes
https://books.google.co.in/books?id=gPSDDwAAQBAJ&pg=PT32#v=onepage&q&f=false
2017 book Diamond turn machining - Fabricating smooth surfaces
https://books.google.co.in/books?id=1aQzDwAAQBAJ
Patent
US701217A * 1901-09-03 1902-05-27 Charles Jules Montreuil Apparatus for elliptical turning and boring.
1902
Machining of parts of Wright Brothers Engine for Aeroplane.
https://books.google.co.in/books?id=QP63DZxg3voC&pg=PP28#v=onepage&q&f=false
More about the engine for aeroplane
http://www.wright-brothers.org/Information_Desk/Just_the_Facts/Engines_&_Props/1903_Engine.htm
Tools that make tools in 1902 - Machine Tools
Popular mechanics article.
https://books.google.co.in/books?id=jNwDAAAAMBAJ&pg=PA97#v=onepage&q&f=false
1903
1903-08-18
Application filed by Sturtevant Mill Co
US759644A
United States
Turning apparatus for roll-tires.
https://patents.google.com/patent/US759644A/en
Patent
US1903169904 1903-08-18 1903-08-18 Turning apparatus for roll-tires.
1904
US805539A
United States
1904-10-24
Application filed by Charles J Gylfe
Cutter-head for shaft-turning machines.
https://patents.google.com/patent/US805539A/en
1905
US873886A
United States
Axle-cutter.
1905-07-31
Application filed by David W Mcclay
US893239A
United States
Machine for turning eccentric rings.
1905-11-24
Application filed by George O Gridley
US927527A
United States
Holder for turning and shaping tools.
1905-08-09
Application filed by Pratt and Whitney Co inc
1956
Patent
US2868165A * 1956-01-03 1959-01-13 Hugo A Altman Apparatus for building up and hardsurfacing cylindrical rollers
Patent
US3264911A * 1963-12-02 1966-08-09 Vern H Crider Portable drum flange turning machine
1909
Machine tool companies founded duirng 1900 to 1909
https://www.americanmachinist.com/archive/business-management/article/21893399/1900s
2016
Double tool turning: machining accuracy, cutting tool wear and chip-morphology
International Journal of Precision Technology 6(2):142 · January 2016
Google search : Machining turning
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