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This sturdy electroscope features a metal case with front and rear glass windows for preventing air currents from affecting the deflection of the leaves. Leaves are gold and aluminum. Leaf support rod is held in place by an insulating plastic sleeve. A graduated scale is also provided for measuring...
Glass prepared microscope slides, supplied in a plastic case. A collection of slides specific to the study of histology. Set of 25. 1. Cerabellum, section 2. lleum, section 3. Spinal cord, TS, 4. Duodenum, TS...
Zinc plated steel extension rings. Rod diameter is 5/1", overall length is 12".
Correlated to the Next Generation Science Standards Use this kit to introduce your students to ink chromatography and its application in solving forensics cases. Students gain experience in creating ink databases, identifying ‘ink tags’ to ‘date’ various inks and then use...
This set is a combination of the basic 5 sets of “Discovering STEM” series and covers all simple machines mechanisms. These mechanisms offer a mechanical advantage and are crucial elements of many machines and devices. They are designed to multiply or reduce force, increase or decrease...
The Moon’s influence on the Earth’s tides and gravity make it an important topic in astronomy discussions. The globe is vibrant incolor and 5.5” in diameter. The Moon globe shows craters, seas, and landing sites of the Apollo missions. Includes activity guide. Symbols indicate...
With its thick glass walls and sturdy construction, this 20L bottle/flask is perfect for filtering large volumes of liquid. The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in 2000ml increments on a scale from 4000ml to 16000ml with an...
PMP (TPX) pitchers feature easy to read silk screened printed graduations. pitchers are autoclavable. Tapered stacking style saves space and makes it easy to handle.
Red and Blue Plastic covered bar magnets. These magnets are attractive as well as an easy way to teach magnetic attraction and repulsion.
These sterile PETG (polyethylene terephthalate glycol) Erlenmeyer flasks are used for mixing, containing, and storing solutions. PETG flasks are very clear and have easy to read graduation marks. These are shatterproof and are an ideal alternative to glass. Temperature range is -40 to 70° C (-40...
These high-quality safety glasses are ideal for protection against dust and impact. The frames fit comfortably over glasses and fit many face sizes and shapes. The impact-resistant lenses are made from durable polycarbonate. Meets ANSI Z87.1 standards Strong polycarbonate lenses Fits over personal...
Microscope slide storage tray designed for 20 each 3" x 1" slides. A unique stepped cutout design simplifies removal of slides and is designed to avoid direct contact of prepared slides with the tray surface. Polystyrene trays nest within each other. White color provides good contrast for...
Heavy duty beakers are ideal for tough handling conditions including mechanized washing. Beakers feature a double graduated metric scale and a marking area. Tolerance is approximately ± 5%.
Connect this clamp to any support rod and set up to three separate pendulum demonstrations. Includes individual cord clamps.
Test tube clamp for all sizes of test tubes. Available with and without finger grips in both Brass Wire and Steel wire with a brass finish. Note: Wooden test tube holder can accommodate test tubes from 12mm to 25mm in diameter.
These polypropylene 2-piece funnels are lightweight, easy to clean and autoclavable. The top portion snaps into the lower one forming a vacuum seal that does not require greasing. The base of the top portion has a perforated filter plate.
Cast iron ring with black enamel finish. Detachable zinc plated legs. Legs are interchangeable.
Silicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. Stoppers can be steam sterilized at 15 lbs. pressure. Broad working temperature range of –62 to 232°C...
Silicone bumpers slip easily onto any volumetric flask. In the event of a flask being accidentally tipped over, the wide bumpers cushion the neck from hitting the table surface. Color coded and available in five different sizes. Wide design to cushion flasks if tipped over Made of high-quality...
This Lattice Lab System features an assortment of aluminum rods from 18" to 48" long including 10 rods that are 48" long. Assembly is easy and requres only a screwdriver. Support rods are made of hard aluminum and foot plates and hook connectors are made of cast...
This sturdy pulley is excellent for use with an inclined plane or any other similar apparatus. Ite features a 4-cm plastic pulley mounted on a chrome plated steel rod. The overall length is 15cm and the shaft diameter is 8mm.
Stainless Steel Spatulas, Available in assorted styles and sizes (bent, flat, and tapered ends).
Square specimen set is used for density and specific gravity studies. Set of four includes aluminum, copper, steel, and brass cylinders. Includes a storage box and activity guide.
Powerful Alnico 1 bar magnets, shipped in pairs, with separators and keepers. Width 1/2, Thickness 1/4.