Magnifying Glass with a glass lens, metal frame, and bakelite handle.

The optical bench set is designed for basic geometric optics experiments, including imaging by lenses and mirrors. The optical elements are mounted in protective frames with mounting rods for easy alignment, and the four captive riders have an index mark and set screws to secure the rider and…

Contains two investigative area and six STEM investigations that teach students about heats of fusion and reaction, thermochemistry, iceberg types and thermohaline circulation and climate change. The kit includes enough materials for 40 students working in groups of 4, as well as PDF Teacher and…

This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. Its 10cm lens provides 6x magnification. Ideal for use on a lab table, and for dissecting small specimens like owl pellets.

All plastic construction. Dual scale range is 6" or 150mm. Readability is 1/128" or 0.05mm.

Individually calibrated weights made of high quality stainless steel. Both sets come with a sturdy plastic storage block. Set of 9 includes 1 each of 5g, 10g, 50g, 100g, and 500g, plus 2 each of 20g and 200g weights. Set of 10 includes all of the previously mentions, plus 1 each 1000g weight.

This calorimeter consists of two nested aluminum cans separated by a 1.7 CM thick styrofoam liner and a clear molded plastic lid with a filler cap. A plastic insulator ring protects the styrofoam insulation against damage and liquid spills. The inner reservoir has a capacity of 150 ML. A…

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.

Tripod magnifier, 10x magnification. Available in Plastic or Brass with Glass lenses.

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.

Magnifying Glass with Glass lenses molded into high quality unibody plastic frames.

Cylinder 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.

Use this simple apparatus to measure relative humidity. Includes two plastic-backed Celsius thermometers, one for dry bulb measurements and the other for wet bulb measurements. The thermometers mount on a wooden handle so they can be spun to obtain tem

This clamp can be attached to any standard meter stick. It is used as a knife-edge fulcrum for supporting the meter stick in the inverted position.

The Electrostatics Kit is a collection of materials designed for students to investigate the creation of charges through friction between various rods and fabrics. Contents include: Hollow Glass Friction Rod (1) Glass Friction Rod, Half Ground (1) Ebonite Rod (1) String, 10' (1) …

This micrometer is made of hardened steel for precision and durability. Its range is 0-25 MM and it has a precision rotary scale with a resolution of 0.01 MM, a ratchet thimble, and a locking lever. Instructions are included. Shipping weight: 9.5 Oz., dimensions: 6" x 4" x 1.5".