Graduated in Celsius and Fahrenheit, this thermometer shows temperature ranges of --20°C to +50°C in 1° divisions, and 0° to +120°F in 2° divisions. Thermometers are filled with Toluene mixed with red color. Mounted on a 10" tall wooden base.

Made of good quality glass sheet, 1.2mm thick, with ground edges, and sperical concavities. Available with single, double, or triple concavities, in packages of 12.

Glass thermometer mounted on aluminum back. Thermometers are filled with approximately 3 grams of Toluene mixed with red color.

These student grade partial immersion thermometers are etched in 1° increments. Each thermometer comes complete with an anti-roll triangle and is housed in a convenient re-usable plastic storage. Filled with a red-colored kerosene mixture. The thermometer has a white back and is 11-3/4"…

Useful tool for determining wind speed. Made of corrosive resistant materials for continued outdoor use. It features a red colored cup to easily count the number of rotations. Includes activity guide.

Graduated in Celsius and Fahrenheit, this thermometer shows temperature ranges of -20°C to +50°C in 1° divisions, and 0° to +120°F in 2° divisions. Mounted on a 8.5" tall plastic base.

Glass thermometer mounted on aluminum back. Thermometers are filled with approximately 3 grams of Toluene mixed with red color.

Our Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available.

Digital stopwatch with lanyard features split and cumulative time modes, 1/100th second increments, calendar/date display, and an alarm. Includes a LR1130 coin battery.

Made from Plate Glass, with carefully ground and polished optical survaces, and cleanly ground edges, these lenses feature a diameter of 38mm - 125mm and focal lengths from 50mm - 500mm.

Clear plastic slides measures 3" x 1" and feature raised edges designed to be easily gripped by a nechanical stage. The well is approximately 16mm in diameter with a depth of 2 to 3mm. Supplied 10 per pack

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…

Our Digital Min/Max Thermometer records the minimum and maximum temperatures for seven days at a time. It features a water-resistant housing, a cover for protecting the LCD display, low battery indicator, selectable °C or °F, dual channels with separate temperature readings for each…

These white polypropylene slide mailers included hinged covers and nolded-in dividers to securely hold 3" x 1" microscope slides.

Thermometers feature 5" long stainless-steel probes. Temperatures are shown on a dial display. Includes protective sleeve with pocket clip. This versatile 38mm (1-1/2") diameter thermometer features molded plastic dial, with temperature ranges of -20° C to +50° C, and 0° to 120° F, in 1°…

A large size prism for either experiments or optical demonstrations. The thick size allows the prism to stand upright without supports.

Vacuum formed sheet of ten plastic well slides

Prepared Slide set, 25 slides, contains: Amoeba proteus wm, Hydra wm, Earthworm cs of posterior, Daphnia and cyclops wm, housefly head with mouthparts wm, housefly leg with clinging pads, mouth smear squamous epithelium, striated muscle ls, human blood smear, bacteria smear from mouth, diatoms…

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

Glass prepared microscope slides, supplied in a wooden case. Contents: Allium Mitosis, ls Amoeba Proteus, wm Animal Mitosis, sec Bone, Ground Preparation, cs Desmids, wm Diatoms, Mixed, wm Euglena, wm Ficus Leaf, cs Human Blood Smear, sm Hydra - Plain and Budding, wm …

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".

Sturdy two-piece molded slide boxes hold standard 3" x 1" microscope slides. The hinged top has a reference card for you to write the corresponding slide description. The numbers on the opposite side are engraved for easy reference. Engraved numbers Securely closing clasp …