Infinity Plan DRY Objective, Magnification: 100x, Working Distance: 0.72mm, Parfocal Length: 45 mm, Numerical Aperture: 0.85 NA, infinity Optical System (also works on DIN160 systems), With clarity and resolution, Threadi
Insta-Test 5-Way Natural way Test Strips, provide fast results for Nitrate, Nitrite, pH, Alkalinity and Total Hardness. Applications: Industrial Water Boiling and Cooling, Laundry and Sanitation, Water and Wastewater, Food and Beverage, Drinking Water
Insta-Test 6-Way Drinking Water Test Strips, Test tap water for free and total chlorine (municipal systems), pH, nitrite and nitrate. For both municipal and well water testing applications. 25 strips/vial.
Inverting Spectacles, With Two Fully Rotating Inverting Prisms In A Shielded Spectacle Frame, The Inverting Prisms Produce A Lateral Inversion Of The Rays-The World Thus Turns Upside Down, This Also Enables A Better Understanding Of The Visual Perception Of Babies.
Fun House Mirror is a high grade polyester sheet with a vacuum deposited silver metal surface. The mirror is 0.8 mm thick and 84 x 56 inches in surface area ; Comes rolled into 1.5in tube, and will unroll flat. Size flat is 135 x 210cm.
Human Eye 3-D Model Kit-10 Student Model Template Sets and Teacher Guide, Vinyl Pouch, Assemble and use 3-D models to visualize and investigate key science structures, Perfect for use in the classroom, lab or at home, Satisfies NGSS Standards, Grade: 6 to 10, Material: Paper, LxW: 12X19in
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