Collectibles > Science & Medicine (1930 Now) > Engineering > Other Engineering Collectibles

Vintage Brass Davy Gauze Miners Lamp R B Bolton Mining Engineers Consett 1970 ' S

Rare Antique 1920 ' S Ray Subtractor Adder Adding Machine Calculator

Curta Type Ii 2 Mechanical Calculator With Case / Instructions No. 542937

Antique Central Scientific Co. Chicago Il. Cast Iron Cut Away Steam Engine Model

Wild Heerbrugg Swiss Rz40 24 Piece Drawing Set Complete In Case

Murdoch Engineering Thermeter Nervoscope Chiropractic Neurocalometer Model J 381

Antique Central Scientific Co. Chicago Il. Cast Iron Cut Away Steam Engine Model

32k Ram Card (hp - 82214a) For Hewlett Packard Hp 48sx/gx Hp48sx/gx Calculator

Faber Castell 2/83 Novo Duplex Slide Rule In Plastic Storage Case

Curta Mechanical Calculator, Type I, 1965, Near With Manuals. -

Vtg Addiator Universal | Standard Model | Pocket Adding Machine | West Germany

Vintage West Germany Addiator Universal Standard Model Pocket Adding Machine

Linex Bow Compass / Dividers - Art. Nr. 1 - - Rare Piece

Rare 1901 Locke Adder Antique Collectible Calculator

Antique Victorian Style Dc Electrical Mechanical Rocker Motor Engine Model

Antique Wooden Stanley Large Slide Rule Calculator

Vintage Universal Boxwood Protractor Chord Scale Rule, 6 Inch S & G Thompson

Antique 1920 ' S Keuffel & Esser Co. York Wooden Boxed Compass Survey Tool

Antique Boxed Technical Mathematics Drawing Instrument Compass Surveyors Set

Classic Vintage General Radio Impedance Bridge Type 650 - A In Wood Case

Elliot Brothers Everest Pattern Theodolite Dated 1867

Theodolite - Large Troughton And Simms Theodolite Circa 1900

German Wwii 1944 Carl Zeiss Jena Ni. B. Surveyng Theodolite Level & Tripod

6 " Silicon Wafer: 1996 Amd 80c188 Soc (system On A Chip) Pcnet - Mobile Wlan Mac

Michael Holden Allchin 3/4 Scale Coal Fired Live Steam Traction Engine Kit

Simpson Casting Weight Calculator, Vintage 1942, National Engineering Co, Tool

X Memory Module Hp - 82181a For Hewlett - Packard Hp41 Hp - 41c/cv/cx

Kern Aarau Swiss Drawing Instrument Set

Vintage G. E. Light Meter To Measure A Surface By Footcandles 1st Model 8dw40y1

Antique Stanley Victorian Proportional Dividers Draughtsman Architect Engineer

Vintage Drafting Powder, Eraser, Pointer & Other Supplies

Vintage Gpo - W H Harling Wood & Bone Scale Rule

Grapho Scope Draw Sketch Federal Stamping Engineering 1930s Era

Falcon Dam Starr County Tx Ibwc Framed Map Signed By Employees Handmade Zapata

Wilesco M50 Bevelled Gear Set Of 2 Spare Parts For Model Toy Steam Engine

Defcon 18 Def Con 2010 Human Dark Tangent Grand Idea Studio Badge Lanyard

Vintage General Radio Impedance Bridge Type 650 - A

Vintage General Radio Impedence Bridge Type 650 - A

Antique Short & Mason Clinometer Dated 1910 In " Brooks " Case

Vintage Electronics & Rf Engineering Slide Rules

Antique 1903 Military Map Compass Dividers By Harling Pre Ww1 - Boxed

Midcentury 1954 Los Alamos Scientific Lab Atomic Energy U Of California Booklet

Antique Engert & Rolfe Draughtsman Compass Dividers Rule Pocket Tool Richten

Rare 1980s - 90s Intel Science Talent Competition Award - Silicon Wafer, Computer

Vintage Hilger & Watts 315 Surveyors Dumpy Level Theodolite & Carry Case

Murdoch Engineering Thermeter

Vintage Wwii Era German Made Pocket Opisometer & Compass Field Map Reading Tool

Geodimeter Vintage Wooden Yellow Painted Surveyors Tripod.

Antique Radioactive Material Container, Solid Lead Pig Weigh ' S 25 Lbs.

Moore & Wright - Engineers Level 305/8 " - In Wood Box

Crosby Steam Gage & Valve Co. Planimeter Engineering Tool C1870

Vintage Helix Lock Dividers - Compass Drawing Set

Linex Compass 73 Set. Complete And In Great Order.

Vintage Draughtsman ' S Beam Compass Fittings - W H Harling Ltd

Vintage Steel Beam Trammel Points, Browne & Sharpe?, Starrett?

Riefler A20 Vintage Antique German Technical Drawing Instruments Set. Fine.

Vintage Universal Boxwood Protractor Chord Scale Rule, 6 Inch Made In England

Antique 19thc Draughtsman ' S Folding Pillar Compass & Case. Dinky Size. (3. 5 ")

Good Quality J Casartelli & Son Surveyors Large Brass Compass Instrument - Rare

Cased Vintage Halden Calculex Circular Slide Rule Calculator & Book

Very Rare J. W. Holmes, Batavia, Ny Surveying Instrument, Transit, 1880 ' S

Georgian Etui Shark Skin Cased Technical Drawing Instrument Set Architects

Vintage Cased Brass Compass - Military ? - 4 Inches Diameter

A Early 19th Century Brass Pantograph - By W & S Jones

Antique Etui Style Drawing Set - Black Leather Covered Slip Case.

Vintage Souvenir Copper General Cable Segment Boulder Dam Los Angeles Ca Antique

Vintage, Theodolite, Surveyors Stanley Transit, Surveying Instrument, Antique.

Vintage, Theodolite, Level, Surveyors Cts Transit, Surveying Instrument, Antique.

Vintage Michigan Detroit Lubricator Co Hit Miss Steam Engine Oiler Brass

Antique Architect Fine Drawing Set By Elliott, With Provenance 19thc

Vintage Welch Scientific Co Cut Away Internal Combustion Engine No 1753 - 1

Fabulous Vintage Cased Precision Engineering Drawing Instrument Set By Lotter

A Large Ministry Early 20th Century Brass Protractor

Vintage Bronze Theodolite Vickers Cooke V22 No 2 V. 221217 Cased Loft Find

Vintage Steam Engine Motor Model Iron Cast Physics Class Demonstration

Vintage Hit & Miss Brass Engine Essex Drip Oiler Lubricator Detroit, Mi Usa

North Sea Oil (argyll Field) Commemorative Coin Sterling Silver Birmingham 1975

Vintage Range Finder Cotton Type Mkii E. R. Watts & Son

Fine Vintage W. H. Harling Draughtsman ' S Instrument Set In Mahogany Case.

Vintage C1930 " Cooke, Troughton & Simms Ltd " Brass Surveyors Level

Vintage 5 " Surveying Aneroid Barometer & Magnifying Lens In Leather Case

Antique German Desktop Mechanical Toothed - Wheel Calculator Resulta Bs 7 D. R. P.

Antique 1920 ' S Keuffel & Esser Co. York Wooden Boxed Compass Survey Tool

Antique Boxwood Universal Protractor Rule - Military?

Antique 1800 ' S Turned Lignum Vitae Rolling Rule Ruler

2 Georgian Rare Technical Drawing Instruments In Sterling Silver Un - Seen Before

Carl Zeiss Th51 Theodolite

Cased Antique 1800 ' S French Brass Surveyors Cross By Richer Of Paris

Vintage Surveyors Theodolite Tripod - Lamp Stand Conversion

Old French Orl Medical Instrument Ophtalmoscope Otoscope / Chopelin Paris / Box

Vintage 1964 Chart Of The Nuclides Knolls Atomic Power Laboratory Poster

Fowler ' S Vintage Long Scale Calculator Slide Rule Jubilee Magnum Case, Instruct

Defcon 26 Badge 2018 Human, Program, Hackers Convention Las Vegas

1920 ' S Aiee 14k Solid Gold Pin Retirement ?? 3. 1 G

Antique German Mechanical Chain Adding Machine Calculator Seidel & Naumann 1912

Machinery ' S & Mechanical Engineers ' Handbooks Kent, Marks, Machinery ' S Handbooks

Computer Magnetic Core Memory

Defcon 26 2018 Hacker Warehouse Badge Badgelife

Ussr Russian Technical Drawing Set Gotovalnya НЧК - 15 - 1 Nchk Tools Готовальня

Defcon 26 Badge 2018 Human, Program, Hackers Convention Las Vegas

Stunning Rare Antique Folding Pocket 12 Inch Rule By Underhill, Manchester

Hewlett - Packard Hp41cx Hp - 41cx 1988 Calculator And Pouch —

Hewlett - Packard Hp41cx Hp - 41cx 1986 Calculator And Pouch —

Hewlett - Packard Hp41cv Hp - 41cv " Halfnut " 1986 Calculator And Pouch — Very Good

Hewlett - Packard Hp41cv Hp - 41cv " Halfnut " 1979 Calculator And Pouch — Very Good

Hewlett Packard Hp 82240a Infrared Printer For Hp - 41, Hp - 42, Hp - 48, Etc.

Hewlett Packard Hp - 82104a Card Reader 1979 For Hp41 Hp - 41c/cv/cx —

Hewlett Packard Hp - 82104a Card Reader For Hp - 41c/cv/cx — Very Good

Wilesco D406 Brass Boiler W/water Gauge Spare Part For Model Toy Steam Engine

Ww2 Military Theodolite Surveyors Level Watts London No35432 B5069

Addiator Precision Pocket Adding Machine 1955 Mechanical Calculator

E20thc " The Halden Calculex " Patent Circular Slide Rile, Case & Booklet

Vintage Welch Scientific Company Steam Engine Locomotive Mechanical Workings

Wilesco D406 Steam Traction Engine & Wilesco A386 Water Cart Black & Brass

Vintage Model Single Cylinder Engine Student Cutaway Model

Hp - 41 Advantage Pac 1a Module Hp 5061 - 7285 For Hewlett - Packard Hp41 Hp - 41c/cv/cx

Hewlett Packard Hp - 71b Hp71b Computer, Pouch, Hp - Il Module, 3x Memory Modules

Hewlett Packard Hp - 71b Hp71b Computer With Surveying Module —

Durant Manufacturing Productimeter Gauge Counter 5t8s - Cl (e5l)

Cray Xmt Supercomputer Cpu, Threadstorm 4. 0