This is a perfect device for intermediate to high school level laboratories. It is built from sturdy metal and includes an adjustable collimator tube, telescope, and prism stand. The high quality optical system and easy to read etched scale allows students to measure spectrum lines with a resolution of 50A.
Light is directed in the collimator tube and focused to the adjustable telescope, which has a scale inside for allowing special lines to provide reliable measurement..
Includes a 600-line millimeter diffraction grating, grating holder, 3x2.5cm equilateral glass prism, and a prism hood, which helps block stray light from entering the spectrometer.
Instruction manual included.
Box of 100 X-SMALL nitrile exam gloves.
This set includes three (3) N95 FDA registered and NIOSH approved and respirators.
This set includes four (4) N95 NIOSH approved respirators.
High-protection, fluid-resistant and anti-static disposable lab coat in size Large.
High-protection, fluid-resistant and anti-static disposable lab coat in size Extra Large.
These ear plugs are made of self adjusting foam that provides a comfortable, low pressure fit and excellent sound filtration.
A beautiful desk or bookshelf accessory for the reading fanatic in your family!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
View the glory of space with this hi-tech telescope set!
This black scorpion specimen is great for the classroom setting!
This is a classic demonstration toy of the powers of magnetic fields!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
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