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ENERGIZER LITHIUM COIN: 2032 BP4Price: 173.0

ENERGIZER LITHIUM COIN: 1220 BP2Price: 145.0

ENERGIZER LITHIUM COIN: 2025 BP4Price: 174.0

ENERGIZER LITHIUM COIN: 2016 BP2Price: 154.0

Casio FX-82 Plus II Scientific Calculator Black FX-82ZAPLUSII-BKPrice: 390.0

CLOCKWORK BALLISTIC BOMB CALORIMETER by Alex Wright and Co. Ltd, Westminister, circa 1930Price: 2500.0

Vintage Starrett Theodelite Transit Level 101- C With Wooden Box Metal Tripod And Measuring TargetPrice: 3950.0

Vintage Hydrometer, Specific Gravity Hydrometer, 1350 - 1400, A. Gallenkamp & Co. Ltd, EnglandPrice: 300.0

Correx tension gauge - used to measure force and calibrate small mechanisms - in original boxPrice: 800.0

SCIENTIFIC CALCULATORPrice: 85.0

Vintage Carl Zeiss TH.IV theodolite in case - top spirit level brokenPrice: 1950.0

Energizer Alkaline Battery, A23, 2 PiecesPrice: 139.0

Financial Mathematics - Young, D. A.Price: 160.0

Vintage Capac Binaureal 7034 sieres set of car stethoscope in oak casePrice: 2850.0

Casio FX-991 Plus II Scientific Calculator FX-991ZAPLUSIIPrice: 750.0

AbacusPrice: 100.86

ENERGIZER BUTTON BATTERY 3V 2032 2PKPrice: 143.0

ENERGIZER BUTTON BATTERY 3V 2025 2PKPrice: 143.0

Vintage Hydrometer, Specific Gravity Hydrometer, Twaddles No. 3, 48 - 74, British Hydrometer Co.Price: 350.0

Sharp EL-531WHB Scientific CalculatorPrice: 171.0

A Patorelli and Rapkin Boxed Air Meter : Not WorkingPrice: 1250.0

Vintage dial gauge - LOOK!Price: 450.0

Vintage Hydrometer, Specific Gravity Hydrometer, Twaddell No. 4, 74 - 102, G.H. Zeal, LondonPrice: 200.0

WW II, World War II, British Clinometer Field Mark VI, No. 17619, 1941Price: 1900.0

SHARP Scientific Calculator EL-532Price: 137.5

Vintage Cased Bates SaccharometerPrice: 175.0

Science: The Definitive Visual GuidePrice: 375.0

Vintage Baumanometer Blood Pressure TesterPrice: 750.0

Boeing S00033 - SW - 01 digital clock for instrument panel - used by ComAir flight ZS-OTGPrice: 4000.0

Casio FX-991 ZA PLUS Advanced Scientific CalculatorPrice: 985.0

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