United Scientific Supplies

Set of equipment for studying the Zeeman Effect in the mercury green line at 545.1 nm. Includes a 1.0T electromagnet that allows longitudinal or transverse viewing, a mercury lamp, interference filter and lens, a 2.0MM gap Fabry-Perot etalon, a CCD camera and capture card, and evaluation software....

This molded rubber filter disc is designed to support and seal in place a filter crucible or a funnel in the neck of a filter flask. Inside diameter of the socket at top is 32mm, and outside diameter of the disc is 76mm. The bottom of the disc is flat so that it seals tightly against the lip of the...

Water-resistant stopwatch with lanyard features split and cumulative time modes, 1/100th second increments, calendar/date display, and an alarm.

We have designed a speical stand to replace the pencil, for hands-free demonstration. Magnets are in plastic cases, to reduce breakage. Set contains 5 brightly colored magnetic rings, and the plastic stand, in a cardboard storage box.

Economical and attractive demonstration car model. Can be powered by a solar cell or a rechargeable battery (AA size, not included. Alkaline batteries are not suitable). Battery can be recharged from the solar cell, demonstrating an electricity storage system for solar power. Solar cell can be...

Clear, square disposable polyethylene terephthalate (PET) bottles are space-saving and convenient to handle Clear, square polyethylene terephthalate (PET) bottles Ideal for mixing, sampling and storage in environments ranging from -40° to 50°C Raised graduations Neck ID: 29 mm Includes...

Many electricity lessons and labs require alligator or banana plug connecting cords. Often these cords are stored in a box, and can be difficult to untangle. The Connecting Cord Organizer easily holds multiple wires. The organizer mounts to a standard support stand, and includes 14 holes that fit...

Made from heavy borosilicate glass, these cylinders have a beaded top with a pouring spout and a round base for stability.

Mortars with lips are glazed on the outside, except for the bottom. Pestles are glazed to grinding surface. Oversized pestle for easier grinding. Thermal Shock Resistance - average coefficient of expansion from 20° C to 200° C is 3.56 x 10-5, gradually increasing to 4.69 x 10-5 at...

Discover the science of music with the tuning fork and striker set. The 256 Hz tuning fork is made of high-quality aluminum alloy and has been accurately calibrated. A rubber hammer striker for sounding the tuning fork is included. The resonance frequency is stamped on the tuning fork.

Designed to fit onto the top of our skirted base externally threaded cryogenic vial closures. Provide quick visual indentification of specific vials for ease in organizing inventory. Compatible with P60102 and P60103 skirted base cryo vials.

Deluxe slotted weight set with rack, 8 weights, brass. Includes 1x500g, 2x200g, 1x100g, 1x50g, 2x20g, 1x10g, rack. Deluxe slotted weight set with rack, 10 weights. Deluxe slotted weight set with rack, 12 weights, brass/aluminum. Includes 1x500g, 2x200g, 1x100g, 1x50g, 20g, 1x10g, 1x5g, 2x2g, 1x1g,...

Our inoculating needle features an 8" long non-insulated aluminum handle. Needle is manufactured from non-calibrated 26 gauge nickelchromium wire.

Economical laser pointers are useful for many optical experiments. Ideal for middle school and high school classrooms. Lasers operate on a push-button switch, are housed in a rubberized aluminum pen-style case, and include a pocket clip. The 6” long x 0.5” diameter Class 2 Green laser...

This measuring set contains four high quality instruments-a 0-25 x 0.01 MM micrometer caliper, a 90 degree knife edge square, a 150 x 0.05 MM vernier caliper, and a 150 MM steel ruler. All of these are housed in a sturdy plastic storage case.

This set includes four carts of equal mass, each with wheels made from a different material: soft silicone, soft rubber, wood, and fabric. The free rolling wheels quantitatively demonstrate friction without slipping. Includes activity guide. Technical Specifications: Cart Dimensions: 5.25” x...

Suitable for constructing complex organic and inorganic molecules, this teacher set contains 100 atom centers and 86 bonds in a durable plastic storage box. Makes a wide range of models Periodic table included for easy reference Contains sturdy plastic storage container

Thermometer Clamp features adjustable 360° rotating jaw for suspending thermometers. The clamp attaches to rods up to 13mm (1/2") O.D.

Made of fine particle compressed cork, these rings are designed to support round bottom flasks, beakers, dishes and more. Cork is naturally elastic with very low thermal and electrical conductivity properties. Small cork stand has a diameter of 100mm and holds 250ml to 2000ml round bottom flasks....

Manufactured from 100% pure porous polyethylene, filters are designed to prevent liquids and aerosols from entering the body of the micropipette to protect against cross-contamination. Best suited for biological applications, these tips are non-cytotoxic, non-hemolytic, and have a 99.9% bacterial...

Portable rain gauge can be mounted on a wall or staked into the ground. The gauge measures up to 5 inches mm of rain fall. Made from durable polystyrene. The large clear increments are easy to read and the curved lens magnifies the look of the numbers and markings when rain is captured. Product...

This high quality foot model is great for anatomical study. The foot is mounted on a plastic base, and the bones are flexible in order to demonstrate movement. Model is 8.5" long and 6" high.

Friction pads are 12"; x 12";. For use with Friction Rods to demonstrate Static Electricity.

Suitable for miniature base lamps. Accepts all replacement bulbs listed on this page. Plastic base, with brass screw type receptacle and two terminals. Miniature Bulbs for use with lamp boards and lamp/bulb holders.