EISCO Labs Economy Spectroscope Tube, Pack of 6

$9.89

EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy

$8.89

EISCO Premium Quantitative Spectroscope - 400-700nm Range, 5nm Accuracy - for Studying Light Sources, Measuring Wavelengths & Color Spectra

$8.89

Grating Spectroscopes and How to Use Them (The Patrick Moore Practical Astronomy Series)

$65.62

Eisco Labs Premium Spectrum Tube - Sulphur (S), 26cm

$276.73

500 Lines/mm Diffraction Grating Sheet Single Linear axis [1 Foot x 6 Inches]

$22.99

Eisco Labs Small Anemometer

$130.9

Diffraction Grating sheet 500 lines per mm Linear 5ft

$19.95

EISCO Wire Test Tube Rack - Holds 40 Tubes with 18-20mm Diameter - Epoxy-Coated Steel

$11.99

Eisco Labs Premium Spectrum Tube - Hydrogen (H), 26cm

$9.99

AmScope - 8X Magnification Binocular Stereo Microscope w/ 360 Revolve - Dental, Lab, Electronic Repair, Soldering, Shop Gooseneck Illuminator - SE508

$419

Two-Way Articulating Borescope with Light, Teslong 5-inch IPS Endoscope Inspection Camera with Articulation Head, Automotive Mechanics Fiber Optic Scope-0.33inch

$36.99

Auto Meter 5350 Level 3 DPSS (Digital Pro Shift System) Black Tube

$9.99

Diffraction Grating Slide-Linear 1000 Lines/mm 2x2-Pack of 10

$22.99

2 in 1 Handheld Oscilloscope Multimeter, 10MHz Bandwidth 48MSa/s High Sampling Professional Oscilloscope, 9999 Counts Digital Multimeter, Auto-Calibration Function, DC/AC Voltage/Current Test

$349

Spectre Performance SPE-86981 Intake Tube

$62.92

AmScope EP20X305 Pair of WF20X Microscope Eyepieces (30.5mm)

$18.29

Rainbow Symphony Diffraction Grating Glasses - Linear 500 Line/millimeters, Package of 25

$15.49

Auto Meter 5343 Digital Black Pro-Shift Tube System

$8.48

EISCO Microscope Slides with Single Concavity, 10/PK

$15.98

13,500 Lines/inch Diffraction Grating Sheet - Double Axis [1 Foot x 6 Inches]

$11.89

Rainbow Symphony Diffraction Grating Slides, Linear, 1000 Line/Millimeters, Made in USA, Package of 25

$9.99

66 Place Pillar Plastic Test Tube Rack for 12-15mm Tubes, Blue, Karter Scientific 400U2 (Single)

$13.99

Radical Focusable DVS 5 Prism Spectroscope fr Gems w Wavelength Scale & Slit Adjustment

$33.99

AmScope SE305-A Binocular Stereo Microscope, WF10x Eyepieces, 10X and 30X Magnification, 1X and 3X Objectives, Upper and Lower Halogen Lighting, Reversible Black/White Stage Plate, Arm Stand, 120V

$400.49

Eowpower Multifunctional Trapezoidal Centrifuge Test Tube Vial Rack for 0.2ml-50ml Test Tube

$12.99

AmScope SE306R-PZ Forward Binocular Stereo Microscope, WF10x and WF20x Eyepieces, 10X-80X Magnification, 2X and 4X Objectives, Upper and Lower Halogen Light Source, Pillar Stand, 120V , White

$184.44

Diffraction Grating sheet 13,500 lines/inch - Double Axis 1Ft x 6 Inches

$19.99

EISCO Premium Spectrum Tube Power Supply - Fits 26cm Spectrum Tubes - Generate Gas Spectral Emissions - CE, CSA, CUS Approved - 110/120 VAC

$79.9

AmScope EP20X30 Pair of Super Widefield 20X Microscope Eyepieces (30mm), Black

$29.99

AmScope SE305R-PZ Forward Binocular Stereo Microscope, WF10x and WF20x Eyepieces, 10X-60X Magnification, 1X and 3X Objectives, Upper and Lower Halogen Light Source, Pillar Stand, 120V , White

$161.99

Hach 9385100 DR 900 Multiparameter Handheld Colorimeter

$69.95

AmScope SE306R-P20 Forward-Mounted Binocular Stereo Microscope, WF20x Eyepieces, 40X and 80X Magnification, 2X and 4X Objectives, Upper and Lower Halogen Lighting, Reversible Black/White Stage Plate, Pillar Stand, 120V

$165.99

AmScope SE305R-AZ Forward-Mounted Binocular Stereo Microscope, WF10x and WF20x Eyepieces, 10X/20X/30X/60X Magnification, 1X and 3X Objectives, Upper and Lower Halogen Light Source, Arm Stand, 120V

$201.99

AmScope B120C Siedentopf Binocular Compound Microscope, 40X-2500X Magnification, Brightfield, LED Illumination, Abbe Condenser, Double-Layer Mechanical Stage

$39.99

Auto Meter 3223 Nylon Tubing

$245.9

Inline Tube Replacement for 1964-72 GM A,F,X-Body Speedometer Cable Firewall Grommet

$44.95

Telescope Extension Tube Set,8 PCS M48X0.75 Focal Length Extension Tube Kit 3 5 7 10 12 15 20 30mm Extending Ring for Astronomical Telescope Photography

$144.95

Dr.meter LX1330B Digital Illuminance Light Meter, 0-200,000 Measurement Range Lux Meter

$49

Athlon Optics Argos HD 20-60x85 Spotting Scope - 45 Degree, Green/Black

$255.99

Eisco Labs Premium Seismograph Model

$4.99

Telescope Extension Tube Set,8 PCS M48X0.75 Length Extension Tube Kit 3 5 7 10 12 15 20 30mm Extending for Astronomical Telescope Photography

$11.99

EISCO 16PK Test Tubes, 50ml - Borosilicate 3.3 Glass - 1.2mm Thick Walls, Beaded Rim - Superior Heat & Chemical Durability - 5.9" Tall, 1" Diameter

$9.98

EISCO 24PK Test Tubes, 50ml - Borosilicate 3.3 Glass - 1.2mm Thick Walls, Beaded Rim - Superior Heat & Chemical Durability - 5.9" Tall, 1" Diameter

$15.99

13,500 Lines/inch Diffraction Grating Sheet - Double Axis [60" x 6" Roll]

$12.99

AmScope EP20X23 Pair of WF20X Microscope Eyepieces (23mm)

$13.99

AmScope EP10X23R WF10X Microscope Eyepiece with Reticle (23mm)

$48.99

Compound Microscope，40X-2500X Research Class Professional Microscope，WF10x and WF25x eyepieces, Dual LED Lighting and Two-Layer Mechanical Stage，Microscope for Adults…

$289.99

AISITESY Digital Lensmeter Auto Lensometer Optical Focimeter Ophthalmic Equipment for Optometry Clinic Eye Hospital LM-800

$567.14

AmScope EP20X30E Pair of Extreme Widefield 20X Eyepieces (30mm)

$29.99

EISCO Premium Spring Balance, 0-2000g / 0-20N - High Resolution, Dual Transparent Scale, Newtons & Grams - Zero Calibration Capability - Acrylic Body

$38.79

Spectre Performance SPE-97991 4" O.D. 90° Intake Tube

$22.99

Two-Way Articulating Borescope with Light, Teslong Industrial Endoscope Inspection Camera with Articulated Probe, Flexible Mechanic Fiber Optic Snake Scope Cam for Wall Automotive Engine Inspect-5FT

$139.39

Hertel Exophthalmometer

$858.88

3M Littmann Classic III Monitoring Stethoscope, Black Tube, 27 inch, 5620

$7.99

United Scientific DFG600 Diffraction Gratings for SPECT01 Spectrometer

$699

Spectre Performance (SPE-9718) 4" O.D. Straight x 18" Long Intake Tube

$2.74

Fowler 52-243-212-1, Inside Tube Micrometer With 2-12" Measuring Range

$7.69

CANON Extension Tube EF 25 II

$34.59

4 Pack Black Handheld Eye Occluder Plastic Vision Optics Optometry Instrument for Eye Chart Exam

$13.99