United Scientific Supplies

Designed for bacteriological analysis where it is necessary to sterilize the filter holder with the membrane filter in place. The glass surface is coated with PTFE to avoid filter damage and membrane adhesion during autoclaving. Complete set includes a PTFE-faced borosilicate glass funnel and...

Rectangular glass block with two frosted sides, 114mm x 63mm x 19mm.

This economy Hall’s carriage is perfect for demonstrations and investigating principles such as Newton’s laws, acceleration, velocity and friction. This economy Hall’s carriage has a durable plastic body with a roomy well for additional masses (not included). The hole on the front...

Knife Switches for low voltage experiments (less than 36V) with plastic bases. These items are available with either thumbscrew or spring binding posts.

Boxed set of High Quality Acrylic Prisms, made from clear acrylic sheet, all sides polished. The set consists of sic prisms in a variety of shapes, and an activity guide. Includes: 1 Rectangular block, 1 Semi-circle, 1 Equilateral prism, 1 Double convex lens, and 2 Double concave lenses.

The Earth/sun system demonstrates the seasons, eclipses, and the phases of the moon. The sun has a LED that sends a spot of light onto the Earth. The sun turns with the handle as the user changes the seasons. The moon revolves around the Earth as the Earth rotates around on its axis. The angle of...

Each unit consists of a wooden resonator box, tuning fork, and a tuning fork mallet. Resonator box is 18cm x 9cm x 5cm.

Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A plastic snap cap is included.

These blocks demonstrate the density of four different materials-aluminum, brass, steel, and copper. Each cube is 3.2 cm and has a hook. Specification sheet included.

These Type 3 serological pipettes are made from borosilicate glass and comply with USP standards. Color-coded. Individually serialized and certified. Calibrated to deliver. Printed with durable amber markings.

Metamorphic rocks arise from the transformation of existing rock types due to extreme heat and pressure. This process is called metamorphism, which means change in form. The set includes anthracite, biotite schist, gneiss, marble black, marble green, marble pink, marble white, mica schist, phyllite,...

Momentary toggle clip allows you to hold the laser button on during experiments. Color of clip may vary.

These autoclavable desiccators are made of polypropylene (PP) and polycarbonate (PC) and can hold a vacuum up to 740mm Hg for 24 hours without any greasing. Autoclavable at 120°C for 15 minutes. The top dome, molded in rigid and transparent PC, gives a crystal-clear view of the sample. The...

FrostyMate™ Color Change Freezer Racks provide a visual indicator of temperature levels for easy reference during use and transport of samples. These reusable polypropylene racks have an operating range of - 86°C to + 121°C and can maintain a temperature of less than 4°C for almost...

These autoclavable desiccators are made of polypropylene and polycarbonate and can hold vacuum up to 740mm Hg for 24 hours without any greasing. The PP stopcock has a self lubricating PTFE plug that works to create the vacuum, shut it off and release it. Autoclavable at 120°C for fifteen...

Excellent tool for demonstrating the principle of fiber optics.  The curled 48" long clear acrylic rod conducts light by internal reflection. A flashlight or laser pointer can be used for the demonstration.

Graduated in Celsius -20° to +50° (1°C) and Fahrenheit 0° to +120° (2°F). Includes humidity table in C and F. Dimensions: 10" x 3" x 0.5".

This electroscope is housed in a 250ml borosilicate glass flask with a metal rod attached to a rubber stopper. A pair of aluminum leaves is suspended from an alligator clip. The knob on top of the rubber stopper accepts a charge. When the charge enters the flask, the aluminum leaves separate. Also...

Glass prepared microscope slides, supplied in a plastic case. Contents: Allium Mitosis, ls Bone, Ground, cs Desmids, wm Epithelium, Squamous, sm Ficus Leaf, cs Giant Multipolar Motor Neurons Muscle Types Composite, sec Rananculus - Stem, cs Skin, Cornified, sec Spirogyra - Vegetative, wm Tilia -...

Transfer (Volumetric) pipettes are manufactured from specially selected, heavy wall machine drawn borosilicate accurate bore glass tubing. They have precision fored jets and bevel ground ends to resist chipping. The graduation marks are in durable white enamel or amber stain; both are resistant to...

Standard size dissecting tray, made fo durable stainless steel, comes layered with white wax. Ideal for use in educational or laboratory settings, these Dissection Trays are designed to make dissections easier and more efficient. The trays are expertly crafted to securely hold specimens during...

This unique hand-held stroboscope was made possible by the development of high-power LEDs. The 30W Super-LED delivers bright flashes at adjustable rates from 1 Hz to 250 Hz, ideal for the motion rates encountered in lab situations. Features magnetic pads on back for attaching to vertical steel...

Empty Micro Tip boxes contains 96 tip holes, spaced uniformly so they can be used with a multi-channel micropipette. Includes a transparent top cover. Autoclavable.

Protect against cross-contamination using these filter pipette tips. Filters are manufactured of 100% pure porous polyethylene, and designed to prevent liquids and aerosols from entering the body of the micropipette. Best suited for biological applications, these tips are non-cytotoxic,...