13-inch Plastic Anemometer with Built-in Scale Experiment Kit This kind of accessory is

This kind of accessory is original and tested by our R&D Team

also includes four 36" laces

This Diffraction Grating Demonstration Slide has three 20mm x 10mm gratings with 100

Grease proof

Dynamic Trolley

13-inch Plastic Anemometer with Built-in Scale Experiment Kit This kind of accessory is13" Anemometer with built in scale for reading wind speed. Can be handheld or permanently mounted. Includes key for translating Beaufort scale to miles hour (mph), kilometers hour (kph), and meters second (m s). Both the max min thermometer and the standard thermometer are exceptionally easy to use and completely safe. Designed for use in laboratories but is an ideal choice for science classrooms and household use. If you need custom order with