Engineering
engineering — pre-owned
Browse 35,186 engineering — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

VEMCO 3300 18" Detailer Drafting Machine
VEMCO 3300 18" Detailer Drafting Machine is in Good Condition.

Ames Model 1 Handheld Rockwell Hardness Tester
The Ames Model 1 Handheld Rockwell Hardness Tester is a collectible engineering tool that measures the hardness of materials using the Rockwell scale. Made in the United States, this handheld tester allows for easy and convenient testing on various types of materials. It is a unique and valuable piece for collectors or professionals in the field of engineering and materials science.

Vintage Surveying Instrument Brass Fittings Wooden Case
Vintage Surveying Instrument Brass Fittings Wooden Case

Vintage Transit Surveying Scope Field Tool Wye Level No Case
Not sure who made this or how it works, In used condition with wear.The level still has the bubble and the lenses are in tact.Please check out the photos.Thanks.

Antique Technical Mathematical Drawing Instruments Set Geometry in Wood Box
There is a key but I could not get it to turn the lock, pencil appears to be silver plated, there is a up-close photo so take a look at that. Turns but untested.

Vintage Forester Surveyor Compass # 140 Warren Knight W/ Leather Case & Box CDF
Marked with CDF 40439 on back. Also, there appears to be a very small amount of rust on the tip of compass arrow. This fitting has a little tarnish on it. Leather case looks to be in very good condition.

PICKETT 1010-T Trig Slide Rule Org. Box & Blk leather Case Warranty Card, USA
Includes original box which slides into a cardboard sleeve., a How to Manual, a warranty card and the Pickett 1010-t trig.

Vintage Roy Gfeller Casemaker Leather Geoscience Field Case Pen & Notebook Case
The combination of leather and durable materials ensures long-lasting functionality, making it a valuable addition to any collection or fieldwork setup.

Leroy Lettering Set 1950 Kuffel & Esser Co. 3240
This set is designed for precise and detailed lettering and drafting tasks, making it a valuable collectible item for those interested in engineering and drafting tools. The 6 little pins are missing.

Vintage Addiator System Subtraction Fractomator Calculator W/Desktop Stand -Nice
This Addiator mechanical calculator is in nice pre owned condition, with some general wear. The cast iron stand is in great shape, although there is a bit of surface rust inside the stylus holder bracket where the paint has chipped- it is not really noticeable in display- see pics. It includes the box and the original receipt from 1960. The box has heavy wear from storage. Please see pictures for details. Thanks!

Vintage T. Alteneder - 12" Ten Point Spacing Dividers Mechanical Drafting Tool
T. Alteneder & Sons 12" Ten Point Divider. Made by Theo Alteneder & Sons. Divider action is smooth and feels precise. In great condition - has "O.L.3" and "U. of Wash" inscribed on tool and written on box.

Keuffel & Esser Model 1917 US Army Corp Of Engineers Wood Sketch Board
Well made and easy on the eye. The last 9 photos are of it before I so much as dusted it off. Light surface wear. Each end slides and they both slide like new, with no warping or swelling whatsoever.

Brown & Sharpe Mfg. Co Drafting Precision Protractor Brown & Sharpe B&S #510 (Lo

1943 Wild Heerbrugg WWII SURVEY SCOPE 3684 TESTED artillery 2109 VINTAGE RARE
Amazing rare tested working. Survey scope for Tanker? 1943 very rare item!!

Vintage K&E Keuffel & Esser Co. Skyline Inc. Surveyor Transit Level w Oak Case
Skyline Inc. 16" highest. 14" widest.

Vintage Antique Surveyors Compass Warren Knight Co Philadelphia PA W/pouch
The product is a vintage antique surveyors compass by Warren Knight Co from Philadelphia, Pennsylvania. This collectible item is a piece of engineering and science history, originating from the United States. The compass comes with a non original pouch, making it a complete set for those interested in vintage surveying equipment. Its historical significance and unique design make it a valuable addition to any collection of surveying tools or American industrial artifacts. **see pics for condition** rare*

T.F. Randolph Antique Vintage Compass Survey Brass Alidade Transit Telescope
T.F. Randolph. Why Randolph pieces are so rare. Estate find: I can not find much information about this compass. I found the information below on google copilot. Very interesting piece of history.

VINTAGE DIETZGEN SURVEY TRANSIT TRIPOD FOR USE OR REPURPOSE
A WONDERFUL OLD SURVEY TOOL STILL IN VERY GOOD WORKING ORDER OR SUITED FOR REPURPOSE INTO THE OBJECT OF YOUR CHOOSING.

VINTAGE KEUFFEL & ESSER NY Forestry COMPASS w/Leather Carrying M19 Case*MILITARY
ON THE CASE IT "CASE. CARRYING M19" SERIAL # (?). 045048 WITH WRITING UNDER THE LID THAT SAYS " R. WILSON CHARLESTON, IL". IT ALSO MIGHT BE MILITARY, I DONT KNOW. WHAT YOU SEE IN THE PHOTOS IS WHAT YOU WILL GET.

KOH-I-Noor No 2800 Faber Castell K&E Boston Drafting Leads Sharpener, Brushes

Brunton Pocket Transit Compass with Leather Case, Riverton Wyoming USA
S/N 2011093404. Compass is in good working order. Does not appear to have had much field use. The mirror is glued in place and is otherwise sound.

Vintage L Beckmann Co Surveyor Surveying Transit & Level Equipment
The product is a vintage L Beckmann Co surveyor's transit and level equipment, originating from the United States. This collectible item is associated with the fields of engineering and science, specifically in the areas of surveying and was used for display only.

Vintage Tower Germany Precision Drafting Compass Instruments Set # 6o6.5o36o
Tower Drafting set, If a problem let me know right away! Please ask questions before bidding! No charge shipping is USA only! if appreciable eBay will collect sales tax! Thank You God Bless. The Vintage Tower Germany Precision Drafting Compass Instruments Set includes 14 pieces, with one missing. Made in Germany by the brand Tower, this set is ideal for engineering and precision drafting tasks. The compass instruments are designed for accuracy and reliability, making them a valuable addition to any collection of rare and unique drafting tools. Please note that the set contains adult pointed pieces, so handling with care is recommended.

SUN HEMMI No. 255 SLIDE RULE RULER W/CASE
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Chemical Engineers Sun Hemmi 257 Bamboo Slide Rule Tested 【1day ship!】
Although it is an antique, it is in good condition. All accessories are shown in the photo.

Rare HEXCO HEX Adder Calculator W/ Stylus Fully Functional
Beautiful condition and in full working condition. Stylus clean and all switches and calculations work as intended. Shipped immediately and securely

Rotring Precision Drafting Compass Made in Germany w/ Case Metal 530 125 8
Rotring Precision Drafting Compass Made in Germany w/ Case Metal 530 125 8

Vintage Keuffel & Esser K&E Paragon Drafting Arm Engineering Tool 24"
The Vintage Keuffel & Esser K&E Paragon Drafting Arm is a classic engineering tool measuring 24 inches, made in the United States. This drafting arm, known for its quality and precision, is perfect for collectors and enthusiasts of vintage drafting tools. With the Keuffel & Esser brand reputation for excellence in engineering tools, this piece is sure to be a valuable addition to any collection or for practical use in drafting and engineering projects.

Vintage Brunton Pocket Transit

Vintage Sears Roebuck Transit Wooden Case -- Box Only
The wood has surface scratches and scuffs consistent with age and prior use. The finish has dulled in areas. Authentic Sears Roebuck and Co. model 789.46210. The box features quality dovetail joinery and a convenient leather carry strap.
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VTG Warren-Knight Co Model 200-G Precision Survey Instrument Case Serial 756 USA
The original wooden case retains its factory label and provides excellent presentation and storage. Pieces with original cases and intact labels are increasingly sought after by collectors and display exceptionally well.

Vintage Surveying Steel Chains - Lufkin - Varying Lengths & Handles
Most are plastic handle with the exception of #14 which is wooden.

Vintage K&E Keuffel Esser Leroy 022 Mechanical Pencil 4.25" Long
Good working condition.

Keuffel Esser K E MINUSA #774 Ruling Pen 5 1/2" Drafting Engineering Tool
Drafting Tools. This is an nice K & E 5 1/2" ruling pen.

Vintage Tamaya & Co. Convertible Transit Survey Level Made Japan
Another one that I used for display, please see the attached photos for condition.

Dietzgen OTT Planimeter 1804 AM Germany Engineer Cartographer Drafting Tool CASE
The plastic is cracked on the dial. The box is in rough shape. It is otherwise in very good shape.

MIT Massachusetts Institute Technology Triangulation Station Brass Survey Marker
Vintage MIT Massachusetts Institute of Technology Triangulation Station Department of Civil Engineering Brass Survey Marker. Measures approximately 3 3/8” across. In overall good vintage condition with wear consistent to age and material, please inspect the numerous photos for complete condition details. I welcome any questions you might have, and I gladly offer combined shipping. The auction photos provide the truest description of condition so make sure to inspect them closely as I do not accept returns. IMPORTANT: I do not respond to unsolicited offers, if you watch an item you will get notified if/when I send an offer!

Vintage Addiator Fractomator Desktop Stand West Germany
Condition is as shown, missing stylus, some paint chipping, glue on the Fractomator logo, needs cleaning.

Vintage Antique Surveyors Compass Warren Knight Co Philadelphia PA W/pouch
The product is a vintage antique surveyors compass by Warren Knight Co from Philadelphia, Pennsylvania. This collectible item is a piece of engineering and science history, originating from the United States. The compass comes with a pouch, making it a complete set for those interested in vintage surveying equipment. Its historical significance and unique design make it a valuable addition to any collection of surveying tools or American industrial artifacts. **Missing screw in mount for base, see pics for condition** rare*

VINTAGE DAVIS WHITE UNIVERSAL MODEL 8300 LEVEL TRANSIT WITH WOODEN CASE (1960)
WITH WOODE CASE AND LEATHER STRAP.