10/25/2014 |
1890 Image-Pratt & Whitney Co., Drop Hammer Iconographic Encylopædia, 1890, Plate 33, Fig. 6 |
12/10/2013 |
1892 Article-Pratt & Whitney Co., Milling Machines Modern Machine Shop Practice, V2, 1892, plate V |
10/31/2016 |
1893 Ad-Pratt & Whitney Co., Spencer's Automatic Screw Machine Pratt & Whitney Catalogue, 1893, pgs. 170-173 |
10/27/2016 |
1893 Ad-Pratt & Whitney Co., Bemis Patent Valve Milling Machine Pratt & Whitney Catalogue, 1893, pg. 383 |
04/19/2017 |
1893 Ad-Pratt & Whitney Co., Blacksmith's Post Drill #2 Pratt & Whitney Catalogue, 1893, pg. 57 |
11/19/2016 |
1893 Article-Pratt & Whitney Co., 10 in. Toolmaker's Engine Lathe Pratt & Whitney Catalogue, 1893, pg. 22 |
11/18/2016 |
1893 Article-Pratt & Whitney Co., 10 or 13 in. Engine Lathe Without Screw Gear Pratt & Whitney Catalogue, 1893, pg. 20 |
11/19/2016 |
1893 Article-Pratt & Whitney Co., 13 in. Gibbed Lathe with Rhodes' Rest Pratt & Whitney Catalogue, 1893, pgs. 23-24 |
11/14/2016 |
1893 Article-Pratt & Whitney Co., 16 in Spinning Lathe Pratt & Whitney Catalogue, 1893, pg. 12 |
11/13/2016 |
1893 Article-Pratt & Whitney Co., 18 in Hand Lathe Pratt & Whitney Catalogue, 1893, pg. 10 |
11/14/2016 |
1893 Article-Pratt & Whitney Co., 18 in Pattern Makers Lathe Pratt & Whitney Catalogue, 1893, pg. 13 |
11/13/2016 |
1893 Article-Pratt & Whitney Co., 84 in Pattern Makers Lathe Pratt & Whitney Catalogue, 1893, pg. 15 |
11/14/2016 |
1893 Article-Pratt & Whitney Co., 9 in. Hand Lathe Pratt & Whitney Catalogue, 1893, pg. 7 |
11/13/2016 |
1893 Article-Pratt & Whitney Co.-12 & 15 in. Hand Lathe Pratt & Whitney Catalogue, 1893, pg. 9 |
11/16/2016 |
1893 Article-Pratt & Whitney Co.-2 Spindle Centering Machine Pratt & Whitney Catalogue, 1893, pg. 16 |
06/14/2011 |
1895 Article-Pratt & Whitney Co., Gear Rack Cutting Machine Modern Mechanism 1895 pg 394 |
06/22/2011 |
1895 Article-Pratt & Whitney Co., Grant's Double-Column Milling Machine Modern Mechanism 1895 pgs 509-510 |
06/14/2011 |
1895 Article-Pratt & Whitney Co., Lapping Machine Modern Mechanism 1895 pg 407-408 |
06/21/2011 |
1895 Article-Pratt & Whitney Co., Measuring Machine Modern Mechanism 1895 pgs 497-498 |
06/21/2011 |
1895 Article-Pratt & Whitney Co., Rogers-Bond Comparator Modern Mechanism 1895 pgs 496-499 |
03/21/2011 |
1895 Image-Pratt & Whitney Co., Factory Machinery Magazine Sep 1895 pg 17 |
07/22/2011 |
1896 Article-Pratt & Whitney Co., Double Head Milling Machine Cassier's Magazine Sep 1896 pgs 349-350 |
03/16/2011 |
1896 Image-Pratt & Whitney Co., 10" Metal Shaper Illustrations and Details of American Machine Tools-MIT 1896 pg 91 |
03/16/2011 |
1896 Image-Pratt & Whitney Co., 12" Metal Shaper Illustrations and Details of American Machine Tools-MIT 1896 pg 95 |
03/16/2011 |
1896 Image-Pratt & Whitney Co., 14" Metal Shaper Illustrations and Details of American Machine Tools-MIT 1896 pg 95 |
03/09/2011 |
1896 Image-Pratt & Whitney Co., 20" Iron Planer Illustrations and Details of American Machine Tools-MIT 1896 pg 79 |
02/12/2011 |
1896 Image-Pratt & Whitney Co., 34" Engine Lathe Illustrations and Details of American Machine Tools-MIT 1896 pg 17 |
03/20/2011 |
1896 Image-Pratt & Whitney Co., 40" Automatic Gear Cutting Machine Illustrations and Details of American Machine Tools-MIT 1896 pg 124 |
03/15/2011 |
1896 Image-Pratt & Whitney Co., 40" Iron Planer Illustrations and Details of American Machine Tools-MIT 1896 pg 86 |
03/20/2011 |
1896 Image-Pratt & Whitney Co., Back Geared Milling Machine Illustrations and Details of American Machine Tools-MIT 1896 pg 114 |
07/23/2011 |
1896 Image-Pratt & Whitney Co., Milling Machine Cassier's Magazine Sep 1896 pg 355 |
03/17/2011 |
1896 Image-Pratt & Whitney Co., Plain Milling Machine Illustrations and Details of American Machine Tools-MIT 1896 pg 106 |
03/21/2011 |
1896 Image-Pratt & Whitney Co., Rack Cutting Machine Illustrations and Details of American Machine Tools-MIT 1896 pg 126 |
02/20/2011 |
1896 Image-Pratt & Whitney Co., Turret Head Chucking Lathe Illustrations and Details of American Machine Tools-MIT 1896 pg 32 |
03/08/2011 |
1896 Image-Pratt & Whitney Co., Upright Drill Illustrations and Details of American Machine Tools-MIT 1896 pg 62 |
02/09/2011 |
1896 Image-Pratt, Whitney & Co., 21" Engine Lathe Illustrations and Details of American Machine Tools-MIT 1896 pg 8 |
02/22/2011 |
1896 Image-Pratt, Whitney & Co., 48" Horizontal Boring Mill Illustrations and Details of American Machine Tools-MIT 1896 pg 44 |
02/17/2011 |
1896 Image-Pratt, Whitney & Co., 48" Pulley Lathe Illustrations and Details of American Machine Tools-MIT 1896 pg 25 |
03/03/2011 |
1896 Image-Pratt, Whitney & Co., Double Traverse Drill Illustrations and Details of American Machine Tools-MIT 1896 pg 49 |
03/09/2011 |
1896 Image-Pratt, Whitney & Co., Independent Four-Spindle Drill Illustrations and Details of American Machine Tools-MIT 1896 pg 68 |
02/12/2011 |
1896 Image-Pratt, Whitney & Co., Slate's Taper Attachment Illustrations and Details of American Machine Tools-MIT 1896 pg 15 |
11/27/2012 |
1899 Ad-Pratt & Whitney Co., 14 inch Pillar Metal Shaper Engineering Magazine, 30 Jun 1899, pg. 76 |
12/12/2012 |
1900 Article-Pratt & Whitney Co., Gap Bed Lathe English & American Lathes, 1900 pg 13 |
12/24/2012 |
1900 Article-Pratt & Whitney Co., Turret Chucking Lathe English & American Lathes, 1900 pg 142 |
12/19/2012 |
1900 Article-Pratt & Whitney Co., Turret Engine Lathe English & American Lathes, 1900 pg 122 |
12/12/2012 |
1900 Articlr-Pratt & Whitney Co., 13 inch Engine Lathe English & American Lathes, 1900 pg 6 |
06/01/2012 |
1902 Article-Pratt & Whitney Co., Double Head Horizontal Miliing Machine Cassier's Magazine Dec 1902 pg 162 |
07/08/2012 |
1902 Article-Pratt & Whitney Co., Hand Miller Cassier's Magazine Dec 1902 pg 168 |
11/20/2015 |
1903 Article-Pratt & Whitney Co., Automatic Cone Grinding Attachment Emery Grinding Machinery, 1903, pgs. 80 |
11/20/2015 |
1903 Article-Pratt & Whitney Co., Automatic Internal Cup Grinder Emery Grinding Machinery, 1903, pgs. 77 |
11/20/2015 |
1903 Article-Pratt & Whitney Co., Double Cup Grinder Emery Grinding Machinery, 1903, pg. 79 |
06/10/2012 |
1903 Image-Pratt & Whitney Co., Small Tool Department Page's Engineering Weekly, Jun 1903, pg 14 |
11/14/2010 |
1904 Ad - Thread Milling Machine The Engineering Magazine. March, 1904. Pg. 28 |
02/24/2015 |
1906 ads - Thread milling machines, turret lathes, multi-head sensitive drills 1906 Canadian Machinery |
05/31/2011 |
1907 Image-Pratt & Whitney Co., 1 X 10 in Turret Lathe Modern American Machine Tools 1907 pg 108 |
06/03/2011 |
1907 Image-Pratt & Whitney Co., 2-Spindle Profiling Machine Modern American Machine Tools 1907 pg 222 |
06/03/2011 |
1907 Image-Pratt & Whitney Co., 6 X 14 in Thread Miller Modern American Machine Tools 1907 pg 246 |
05/31/2011 |
1907 Image-Pratt & Whitney Co., Toolmakers Lathe Modern American Machine Tools 1907 pg 103 |
04/19/2020 |
1911 Article-Pratt & Whitney Co., Adustable Multi- Spindle Drill Machine Tools Commonly Employed In Modern Engineering Workshop, V2, 1911, pgs. 19-20 |
04/19/2020 |
1911 Article-Pratt & Whitney Co., Twelve Spindle Drill Machine Tools Commonly Employed In Modern Engineering Workshop, V2, 1911, pg. 18 |
09/27/2013 |
1912 Ad- Pratt & Whitney Co., Turntable Lathe Canadian Machinery, Vol. VIII, Jan 1912, pg. 0 |
09/27/2013 |
1912 Ad-Pratt & Whitney Co., Vertical Shaper Canadian Machinery, Vol. VIII, Jan 1912, pg. 0 |
10/14/2016 |
1913 ad - P. & W. vertical shaper 1913-06-26 American Machinist |
10/26/2014 |
1915 Image-Pratt & Whitney Co., Vertical Shaper Planing & Milling, 1915, pg. 91 |
03/16/2011 |
1916 Portraits, Francis A. Pratt & Amos Whitney English & American Tool Builders 1916 pg 178 ½ |
05/31/2012 |
1919 Image-Pratt & Whitney Lincoln Milling Machine Machine Shop Work 1919 pg 133 |
06/13/2016 |
1921 Article-Pratt & Whitney Co., 14 inch Vertical Surface Grinding Machine Machinery, V28, Oct 1921, pg. 158 |
06/24/2016 |
1921 Article-Pratt & Whitney Co., Automatic Turret Lathe (Part 1) Machinery, V28, Dec 1921, pgs. 282-284 |
06/24/2016 |
1921 Article-Pratt & Whitney Co., Automatic Turret Lathe (Part 2) Machinery, V28, Dec 1921, pgs. 282-284 |
06/24/2016 |
1921 Article-Pratt & Whitney Co., Bench Hand Milling Machine Machinery, V28, Oct 1921, pg. 155 |
06/24/2016 |
1921 Article-Pratt & Whitney Co., Die Sinking Machine Machinery, V28, Oct 1921, pg. 162 |