Engineering
engineering — pre-owned
Browse 8 engineering — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Antique engineering art HYDROSTATICS & HYDRAULICS copper engraving 1790s engines
Toughton and Simms 14inch Pattern Level w/Compass, good condition ca. late 1800s
Troughton & Simms did not normally place serial numbers on their products, so dating them is inexact. The 20th century brought important changes to Troughton & Simms. These levels were supplied with either three screws or four screws, depending on the user's preference.
The Log Log Duplex Decitrig Slide Rule No 4081 A Manual
WESTERN ELECTRIC ANTIQUE D.C. AMMETER, MODEL 45, LAST PATENT 1901 ,COLLECTABLE
See pictures for details. FINE CONDITION.
Wide! E. PRESTON & SONS – T. Wilkinson’s Improved Boxwood Routledge Slide Rule
Arch joint is tight, and the slide is very tight. The only such example I’ve seen.
Joint Standing Committee on Railroads (CT), Photogravure/Walnut Frame - 1889
Photogravure on Board. Walter S. Hewitt, Hebron. Ephraim Mower, Roxbury.
M&W Moore & Wreight Special Micrometer Inch f. Fine Mecanic ,Collector too
(You have to ask from the local offices.). Example we have bulk qty from gear hobs, diamond tools.
RARE 1838 Congressional Record Report, Tippett SAFETY STEAM ENGINE, Baltimore
RARE 1838 ORIGINAL CONGRESSIONAL RECORD, Regarding Tippett's Safety Steam Engine. A presentation to Congress by Edward D. Tippett about the details of his Safety Steam Engine. Scans show it all.this is an actual part of the original 1838 Congressional record taken from it!