Engineering
engineering — pre-owned
Browse 12 engineering — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
HOLTZAPFFEL German Silver Proportional Dividers in Original Box
A set of dividers of the highest quality by tool makers to royalty, Holtzapffel. Very fine knurling on the tighteners, and screws retain original bluing.
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.
Vintage Just Rite Metal Oil Rag Waste Can Underwriters Lab Brass Tag 6 Gallon
Natural patina
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!
O Brien Patent Attorney Advertising Letter Opener Model Drawing Vtg Old Antique
Great old letter opener for Clarence A O'Brien with instructions for submitting patent on back. It is bent. Unusual item. Sold as shown.
Antique engineering art HYDROSTATICS, HYDRAULICS science engraving 1790s engines
The Log Log Duplex Decitrig Slide Rule No 4081 A Manual
Antique 1907 Civil Engineer Survey Instruments Tools Transit Photograph Virginia
Photograph is in very nice condition; as shown.
You save $74.25
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.
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.
WESTERN ELECTRIC ANTIQUE D.C. AMMETER, MODEL 45, LAST PATENT 1901 ,COLLECTABLE
See pictures for details. FINE CONDITION.
Joint Standing Committee on Railroads (CT), Photogravure/Walnut Frame - 1889
Photogravure on Board. Walter S. Hewitt, Hebron. Ephraim Mower, Roxbury.