This is replacement tape for the Spark Timer (TKTMR). The Spark Timer is a recording device used to measure the velocity and acceleration of a falling or moving object. It sparks at uniform intervals, leaving marks on a paper tape. The distance between the marks on the tape are used to calculate…

Useful for testing patellar and other reflexes, this hammer includes a solid rubber head. The triangular shape of the head can be used with wide or narrow targets. Metal handle includes a textured grip that can be held easily and securely. Overall length is 8.5”.

Strong steel magnets, zinc-plated with North and South poles marked. Supplied with keeper.

EQUILATERAL PRISM Triangular equilateral prism. Made of high quality, polished acrylic material 3" LENGTH Prism measures 3" (75mm) in length. Each face measures 1" (25mm) PHYSICS EXPERIMENTS Excellent for physics classrooms. Ideal for a variety of experiments in optics, light refraction,…

20" diameter rubber bicycle wheel with handles Demonstrates the conservation of angular momentum Can be suspended from a string (included) Use with our Large Rotational Platform (part number HDTRNT) for an immersive sensation of gyroscopes as stabilizers A classic 20" diameter bicycle wheel…

This device can be used as a classic standard calorimeter or as an electric calorimeter. Made of aluminum and plastic, the calorimeter has a diameter of 10cm, height of 11cm, liquid capacity of 175ml, and a heat capacity of 25J/°C. Electrical requirements are 6V DC, up to 2A.

PROFESSIONAL QUALITY Museum-grade dissection pins for insect/entomology collections DURABLE Handmade of double black enamel-coated spring steel with nylon gold heads ANTI-RUST Double black enamel coated with nylon gold heads for a rust-free finish ESSENTIAL TOOL FOR ENTOMOLOGISTS …

This premium lab set is the perfect thing to get a home lab or classroom going. It has all the components you would need to start a basic chemistry lab. - All the components needed to get a lab going - Premium, research grade components Includes: (1) base, (1) rod, (1) beaker tong,…

An essential accessory for experiments with the popular Bicycle Wheel Gyroscope as well as for demonstrating the effect of moment of inertia on rotational motion (the “spinning skater effect”), this economical Rotating Plate spins freely due to its heavy duty ball bearing axle. Features…

Featured displays of this electronic alarm stopwatch include time (hours-minutes-seconds, with 12 or 24 hour mode option), calendar, 24-hour stopwatch, alarm, hourly chime, 1/100 second chronograph, split time, and total time. It is lightweight, easy to operate, ad comes complete with battery and…

Glass lens is made of polished optical glass. 24A00B457 This double-concave glass lens measures 75mm in diameter and has a focal length of 20cm. Sold in a pack of 20 lenses. 24A00B458 This double-convex glass lens measures 75mm in diameter and has a…

This Hall's carriage has a durable plastic body with a roomy well for additional masses (not included). The machined aluminum wheels and axles are mounted on hardened steel cone bearings for minimum friction and long life. For use with all types of inclined plane. Shipping weight: .30 Lbs.,…

This simple but precise launcher projects 16 mm steel balls at ranges suitable for use on the bench top or from the bench to the floor. A protractor and plumb line make it easy to set any required launch angle from 45° downwards to straight up. Three different spring tensions give three…

The LaMotte 120 mL deionized water is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.

Use this set of nine cubes to investigate density by comparing cubes that are made of different materials but are the same size (2cm by 2cm by 2cm). Their materials are as follows: copper, brass, aluminum, iron, zinc, acrylic, plastic, wood, and cork. PRODUCT WARNINGS WARNING: This…

The LabChem 125 mL nitrogen nitrate standard is non-flammable and is mainly used in laboratory and manufacturing factories. Application: For Laboratory and Manufacturing Use Only

Bacterial plasmids, the non-genomic transferable DNA, can easily be purified from bacteria using numerous techniques.  The purification of DNA is important for genetic research as it provides a source of transferable DNA and allows researchers to isolate large amounts of recombinant DNA. …

Acrylic or Flint Glass equilateral refraction prism, measuring 75mm long by 9mm thick.

Van De Graaff Generator that can be run on both a motor and a hand crank Motor has adjustable speeds and is compatible with 110/120V and 220/240V Hand crank up to 100kV Sturdy 6" x 8" base with both the components securely mounted Approximately 22" tall This Van De Graaff Generator can be…

This low cost apparatus is great for demonstrating Boyle's law (elasticity of gases). A plastic syringe is mounted on a wooden base. A piston is mounted to a platform that holds various size weights, allowing students to plot pressure versus volume of gases in the cylinder. Dimensions: 9"…

The Deluxe New York Balance with Support Stand is used to demonstrate the relationship between length of the lever arm, moment of force, and amount of force. The unit is designed to help students to understand the principles of torque and its properties. The plastic meter stick included with this…

A Wheatstone Bridge is a tool that can be used to determine an unknown electrical resistance within a circuit by comparing known resistances to the unknown resistance value. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, nickel, and lead, which…

The LaMotte soil analysis report form is available as a pad of 25 soil analysis report forms, which is helpful to report soil sample testing results. It is suitable for use in research facilities and chemical laboratories. It is easy to handle and convenient to use.

Plastic Insulated Copper wire is 22 gauge, supplied in 100 foot rolls and available in three colors. Bare Nickel Chromium Wire is supplied in 4 ounce spools. Enameled Copper Magnet Wire is supplied in 4 ounce spools. Soft Bare Copper Wire is available in 4 ounce or 1 lb spools.

Formula: Mixture Description: For Calibration of Dissolved Oxygen Meters

Life Sized, Femur Bone Model Anatomically correct replica of the human femur Realistic details, texture and bony landmarks Made of durable and sturdy PVC plastic. Washable. Ideal for both student and patient educational demonstration. The life-size model of the human femur bone…

The Ricca Chemicals 1000 ppm 120 mL NO3 nitrate standard is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.

A Tuning Fork Mallet is used to strike a tuning fork to produce a sound. This mallet has a rubber bulb top and a 6 inchplastic handle.

The LaMotte 1 - 10 ppm octa-slide 2 bar comparator is suitable for use with tannic acid kit. It is mainly used in food and beverage, environmental education, industrial water boiling, laundry, sanitation, water and wastewater applications.

The LabChem 1 Liter bromocresol green-methyl red alcoholic blends well with alkalines is highly flammable in nature and is mainly used in laboratory and manufacturing factories. Application: For Laboratory and Manufacturing Use Only

The LaMotte potassium extracting solution is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.

Size exclusion chromatography (SEC), also called gel filtration chromatography or gel-permeation chromatography (GPC), uses porous particles to separate molecules of different sizes.  It is generally used to separate biological molecules and to determine molecular weights and molecular weight…