Instruments

Showing all 89 results

• Sale!

  E-77 Stroboscope – General Purpose

  $380.00 – $425.00
• 

  E-78 Stroboscope – Digital

  $998.00
• 

  ER-12 Rotator – Constant Speed

  $228.50 – $288.50
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  ER-6 Rotator – Universal

  $620.00 – $670.00
• 

  ES-2 Choke & Resonance Coil

  $600.00 – $650.00
• 

  GH-40 Hero’s engine

  $74.50
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  GH-45 Calorimeter – simple

  $53.50
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  GH-46 Calorimeter – electric

  $107.50
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  GS-10 Convection – Ventilation Box

  $78.50
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  GS-12-2 Lucite light rod

  $26.00
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  GS-202 Second Law Apparatus

  $92.50
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  GS-208 Oersted’s Law

  $82.50
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  GS-301 Wheel & Axle

  $27.50
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  GS-316 Free Fall Tube

  $269.50
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  GS-331 Photogate

  $137.50
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  GS-332 Photogate timer

  $295.00 – $345.00
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  GS-366 Archimedes’ Principle Tube

  $31.50
• Sale!

  GS-401 Photoelectric Relay

  $155.00 – $192.00
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  GS-432 Copper Voltameter

  $120.00
• 

  GS-550 Photoelectric cell – photocell

  $95.00
• 

  GS-626 Conductivity of Solutions

  $44.00
• Sale!

  GS-710A Piezoelectric Demonstrator & Cell

  $68.00 – $155.00
• 

  GS-785A Ampere’s Rule Apparatus

  $52.50
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  GS-910B Resonance Apparatus

  $133.50
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  N-100 Van de Graaff Generator

  $770.00 – $868.35
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  N-121 Hollow Sphere

  $79.50
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  N-122 Discharge Electrode – handheld

  $99.50
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  N-122B Discharge Electrode – with base

  $116.50
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  N-122L Discharge Electrode – large

  $266.18
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  N-124 Electric Whirl

  $57.50
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  N-125 Electric Plume

  $27.50
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  N-126 Ring Terminal

  $19.00
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  N-128 Banana Jack Terminal

  $21.00
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  N-132 Volta’s Hail Storm

  $81.50 – $118.00
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  N-135 Proof Plane

  $29.00
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  N-139 Lightning Plate

  $31.00
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  N-140 Insulating Stand

  $66.50
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  N-141 Racing Ball

  $76.50
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  N-142 Hollow Cylinder

  $121.50
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  N-144 Flying Ball & Silver Snake

  $45.00
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  N-146 Neon Wand

  $65.00
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  N-148 Corona Discharge Wand

  $42.50
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  N-153 Electrostatic Bobblehead

  $96.50
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  RA-10 Centrifugal Hoop

  $49.50
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  RA-17 Color Wheel – adjustable

  $90.00
• 

  RP-201 Light bulb, 12v 5w

  $6.78
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  RP-401 Pair of drilled balls

  $7.40
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  RP-501 Water tube with scales, no fittings

  $42.50
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  RP-502 Water tube with scale, crutch tip and fittings

  $78.75
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  RP-503 Latex rubber tubing

  $4.60
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  RP-601 Belt, rubber transport – TAN color

  $16.80
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  RP-602 Brush electrode, lower

  $12.00
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  RP-603 Brush electrode, upper

  $12.00
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  RP-604 Column, polycarbonate

  $72.00
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  RP-605 Dome

  $86.50
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  RP-606 Knob, speed control

  $4.50
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  RP-607 Motor, 115v

  $92.00
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  RP-608 Pulley, lower, wool covered, negative dome

  $36.00
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  RP-609 Pulley, upper with axel and rubber bushings, negative dome

  $39.00
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  RP-610 Rheostat N-100V only

  $152.20
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  RP-611 Resistor, 100 ohm, 25 watt

  $9.00
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  RP-612 Switch, on-off

  $6.50
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  RP-613 Collar, machined

  $39.00
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  RP-616 Pulley, lower, for positive dome

  $36.00
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  RP-617 Pulley, upper, for positive dome

  $39.00
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  RP-640 Grounding wire

  $12.50
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  RP-651 Support post

  $49.00
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  RP-652 Tripod base w/screw

  $56.50
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  RP-700 Grounding Wire

  $12.50
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  RP-708 Pith ball, with thread

  $1.42
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  RP-801 Eyepiece, with diffraction grating

  $48.00
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  RP-802 Scale, wavelength

  $14.50
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  RP-803 Slit assembly, mounted in tube, with slit cap and collimating lense

  $88.00
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  RP-804 Slit cap, with thumbscrew

  $12.50
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  RP-805 Thumbscrew

  $0.75
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  RP-806 Support post

  $29.00
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  RP-807 Tripod base for spectrospcope

  $56.50
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  RP-808 Mirror support arm

  $12.00
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  RP-851 Lamp, trade #47

  $1.80
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  RP-901 Socket, flashtube, 8 pin for E-40L3

  $32.00
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  RP-902 Reflector, aluminum for E-40L3

  $32.00
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  RP-903 Pilot Light

  $6.00
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  RP-905 “Activate” Pushbutton switch

  $8.00
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  RP-906 Complete flashlamp cable (less flashtube)

  $152.00
• 

  RP-909 Resistor 4K, 30W

  $10.50
• 

  SP-116 Comparison Spectroscope

  $998.00
• 

  SP-125 Direct-Reading Student Spectroscope

  $519.75
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  SP-345 Fluorescent liquids

  $68.50
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  SP-4700 Flame salts

  $79.50