- $79.99 GBP ww2 pilots escape & evasion compass r a f, s o e
- $199.00 GBP Stereoscope Bar Parallax, Vintage Scientific Instrument, JMG & Sons + Case
- $275.00 GBP BRASS ROLLING RULE ENGLISH VINTAGE SCIENTIFIC INSTRUMENT
- $78.84 GBP Brass Drafting Tool Proportional Divider Compass Scientific Instrument Lot of 5
- $12.00 GBP 2x Boxwood Scale Rulers 6" Imperial & Metric, Armstrong Architects Engineers etc
- $12.00 GBP VINTAGE 1978 AMPLIFIER DESIGN CALCULATOR Slide Rule ANZAC 21 X 8cm
- $32.95 GBP VINTAGE FEARNS CIRCULAR SLIDE RULE With Instructions And Pouch
- $10.00 GBP VINTAGE 1997 RF MIXER SPUR ANALYSER DESIGN CALCULATOR Slide Rule MITEQ
- $10.00 GBP Boxwood Scale Rule Helix Armstrong Architects Engineers etc Made in England
- $4.95 GBP Linex Bow Compass Sturdy Quality Silver 600 Boxed GIFT
- $10.00 GBP Vintage Boxwood Scale Ruler 6" /15cm Engine Divided, Imperial & Metric by OZALID
- $14.50 GBP Vintage British Thornton AD 050 Slide Rule With Plastic Case
- $9.99 GBP Vintage MADE IN ENGLAND Slide Rule UNIQUE UNIVERSAL U.I.
- $90.00 GBP ANTIQUE FRANCIS BARKER COMPASS- POCKET WATCH STYLE - NO 355639 - C 1900
- $69.88 GBP Brass Drafting Tool Proportional Divider Compass Scientific Instrument 5 pieces
- $33.14 GBP 6" Brass Drafting Tool Proportional Divider Compass Scientific Instrument item
- $7.99 GBP Vintage Map Measurer Tool - Made in Germany for OS Maps Nautical Charts
- $48.00 GBP Antique Gov Arrow Proportional Divider In Original Box Naval
- $20.00 GBP Rare Vintage The Matchless Set Mathematical Instruments Compass ruler etc 50’s
- $139.00 GBP Antique Box of engineers & designers drafting / drawing tools late 1800s
- $35.00 GBP VINTAGE GAS LEAK INDICATOR SCIENTIFIC BRASS INSTRUMENT IN LEATHER CASE
- $7.99 GBP Vintage Map Measurer & Compass Tool - OS Maps Nautical Charts - Made in Japan
- $39.99 GBP Scientific Instrument. Surveyor’s brass cross staff 45 degree. Cased. c1800
- $15.00 GBP Vintage Engineer Gauge Depth Meter Lab Scientific Instrument Precision Manometer
- $9.99 GBP Vintage Slide Rule, Simplon Bilateral (Log-Log), patent no. 413308, With Box
- $7.99 GBP Vintage Boxwood Ruler 2ft Folding Rare German Manual Measuring Tool
- $12.00 GBP VINTAGE 1973 NOISE CALCULATOR Slide Rule ALLTECH 7 X 3.5 INCHES
- $75.00 GBP Vintage Boulin Stroboscope Tachometer. Clockwork Scientific Instrument
- $52.26 GBP Lot of 5 Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $32.05 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $25.00 GBP Late 19th/early 20th century draughtsman's set brass in wooden case (SEE PHOTOS)
- $17.63 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $125.00 GBP Antique Casartelli Microscope Cloth Counting Glass Rule Boxed
- $39.00 GBP Astronomic Ring Dial - Hemispherium Replica Antique Scientific Instrument - New
- $10.00 GBP Set of Mathematical Instruments in Case, German, Vintage Scientific Instruments
- $50.00 GBP CASIO FX - 730P Personal Computer - Pre-owned
- $40.00 GBP Vintage Gammon Morgan Water In Sand Measurer In Original Wooden Case
- $219.99 GBP super Rare Antique Moko Lightning Calculator Pocket Watch Style
- $15.60 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $11.99 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $12.00 GBP Collection of antique fittings from scientific instrument cabinets
- $18.00 GBP Pocket FIBRE GLASS Slide Rule P14D B.R.L Vintage IN CASE
- $15.00 GBP OBSERVERS HANDBOOK. AIR MINISTRY 1956
- $20.00 GBP 3 Vintage Cased Slide/Scale Rulers Faber Castell/Mackie
- $12.00 GBP VINTAGE 1960s MICROWAVE RECEIVER Slide Rule LEL division VARIAN 8.5 X 3.5 INCHES
- $20.00 GBP VINTAGE NESTLER â„– 9 D.R.P. SLIDE RULE MADE IN GERMANY
- $22.00 GBP Vintage Thornton Comprehensive Slide Ruler 1967
- $12.00 GBP VINTAGE 1961 VERY HANDY MICROWAVE WAVEGUIDE DATA Slide Rule 16 X 7 cm
- $50.00 GBP Vintage PG technology Racal Antennas Calibration Level Theodolite Precision Tool
- $129.99 GBP Black lacquer brass surveyor’s octagonal cross-staff head with compass boxed
- $25.00 GBP Antique Technical Drawing Draughtsman's /Cartographer/Maths Instruments #2
- $100.00 GBP Antique Colliery Anemometer in original box
- $100.00 GBP Antique Colliery Anemometer in original box
- $305.00 GBP Antique Keyzor & Bendon Telescope Theodolite In Box Scientific Instrument c1850s
- $17.99 GBP VIntage Slide rule faber-Crstell Rietz 1/87 celluloid on wood made in Germany
- $1.05 GBP Tesseract, Early Scientific Instruments Catalogue 44. Spring 1994
- $130.00 GBP RARE EARLY 6INCH BRASS TROUGHTON & SIMMS 6INCH PROTRACTOR SCIENTIFIC INSTRUMENT
- $785.00 GBP Large Vintage Pantagraph, English, Brass, Scientific Mapping Instrument, C.1950
- $48.88 GBP Vintage Slide Ruler Scientific Calculation with original box Germany log cos sin
- $9.99 GBP Vintage Jaywess Series Techincal / Engineering Drawing Instruments
- $6.99 GBP Watkins Johnson Direction Finding Receiving System AD 1970s
- $895.00 GBP Vintage Stereoscope Bar Parallax, Scientific Instrument, JM Glauser, London
- $145.00 GBP Scientific Instrument. Surveyor’s brass cross staff 45 degree. Cased. c1800
- $395.00 GBP Antique Prestwich Fluid Gauge, English, Aeronautical, Scientific Instrument
- $12.00 GBP Vintage Map Measure double sided, foreign
- $695.00 GBP Antique Surveyor's Level, English, Brass, Scientific Instrument, Halden & Sons
- $148.01 GBP Antique Device of Regnault Determine Degree 100 Instrument Scientific 19th
- $395.00 GBP Vintage Rolling Rule, English, Brass, Scientific Instrument, Navigation, C.1950
- $3.02 GBP Acrylic Portable Compass Tooth Shape Compass Instrument Scientific Experiment
- $32.95 GBP Vintage 80's JAKAR Technical Architects Drawing Set T.700 Special
- $395.00 GBP Vintage Rolling Rule, English, Brass, Scientific Instrument, Navigation, C.1950
- $350.00 GBP Antique 1930s brass engineer's small transit theodolite, L15 MDS London + case
- $295.00 GBP Vintage Allbrit Polar Planimeter, English, Scientific Instrument, Stanley, 1950
- $12.99 GBP Vintage MADE IN ENGLAND Slide Rule UNIQUE UNIVERSAL I
- $15.52 GBP 6" Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $1295.00 GBP Antique Engine Indicator, Scottish, Scientific Instrument, Dobbie McInnes, 1920
- $8.96 GBP Vintage Unique Silding Ruler With Box & Instructions Collectable Wooden Rule
- $57.60 GBP VICTORIAN 4/10 IN W C HUGHES LONDON LENS
- $16.80 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $19.14 GBP 6" Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $41.06 GBP Vintage NESTLER STUDIO Drawing set + Protactor , technical, engineer calipers
- $895.00 GBP Vintage Stereoscope Bar Parallax, Scientific Instrument, JM Glauser, London
- $16.62 GBP 6" Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $785.00 GBP Large Vintage Pantagraph, English, Brass, Scientific Mapping Instrument, C.1950
- $625.00 GBP Vintage Surveyor's Level, Brass, Scientific Instrument, Engineering, Circa 1950
- $32.26 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $1295.00 GBP Antique Engine Indicator, Scottish, Scientific Instrument, Dobbie McInnes, 1920
- $16.02 GBP Antique Brass Drafting Tool 6 Proportional Divider Compass Scientific Instrument
- $295.00 GBP Vintage Allbrit Polar Planimeter, English, Scientific Instrument, Stanley, 1950
- $27.32 GBP 6" Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $695.00 GBP Antique Surveyor's Level, English, Brass, Scientific Instrument, Halden & Sons
- $25.86 GBP Vintage BRASS DRAFTING TOOL 9" PROPORTIONAL DIVIDER SCIENTIFIC, ENGG INSTRUMENT
- $37.13 GBP 9 INCH Brass Antique Drafting Tool Proportional Divider Scientific Instrument
- $86.22 GBP Antique Square D'Surveyors Instrument Scientific Surveyors H Bellieni Nancy
- $16.88 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $80.00 GBP Vintage Ether Longscale Potentiometer Scientific Antique Untested radio bakelite
- $30.00 GBP Antique Stoneware GRIFFIN & GEORGE LTD 1949-59 MADE IN ENGLAND 44cm x 26cm base
- $35.00 GBP Antique Stoneware GRIFFIN & GEORGE LTD 1949-59 MADE IN ENGLAND 44cm x 26cm base
- $17.99 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument
- $18.00 GBP Antique Brass Drafting Tool Proportional Divider Compass Scientific Instrument