All Products
Discharge Sphere
Discharge SphereSupported on a Lucite column with a cast iron base. Includes cabling for connection to the High Voltage Van de Graaff Generator or to ground.
Discharge tube, Ø 13 x 100 mm
Discharge tube, Ø 13 x 100 mmNeon lamp Ignition voltage: 90 V Socket: festoon (large)
Discover Centripetal Force Kit
Discover Centripetal Force KitThe kit allows students to feel the change in centripetal force as key variables are manipulated.
Discover Density Set
Discover Density SetA set of 22 separate pieces allow students to discover the relationship between density, volume, and dimensions.
Discover Density Set
Discover Density SetA set of 22 separate pieces allow students to discover the relationship between density, volume, and dimensions.
Discover Freefall System
Discover Freefall SystemWith a magnetic release and a Time of Flight pad this system minimizes human error and allows detailed investigation of air resistance and gravity.
Discover Friction Accessory
Discover Friction AccessoryFour plastic trays with unique surfaces (cork, felt, and 2 plastic) to use with dynamics carts and sensors.
Discover Pi Set
Discover Pi SetThis set allows students to derive the meaning of pi directly from their measurements. Includes four plastic disks with varying diameter in each set.
Discover Pi Set (10 pack)
Discover Pi Set (10 pack)This 10-pack of disc sets allows students to derive the meaning of pi directly from their measurements. Four plastic disks with varying diameter in each set.
Discover the Bell, Buzzer, and Switch Kit
Discover the Bell, Buzzer, and Switch KitStudents use these totally self-contained kits to assemble an electromagnet, sounder, buzzer, and a bell.
Disk (10pcs set)
Disk (10pcs set)
Dissectible Leyden Jar
Dissectible Leyden JarThis Leyden Jar is designed for classroom demonstrations and comes with a durable inner and outer plate, a plastic dielectric, and instructions.
Dissolved CO₂ Waterproof Sleeve
Dissolved CO₂ Waterproof SleeveThe Wireless CO₂ Sensor can be equipped for aqueous measurements using this semipermeable sleeve.
Includes; 5 x sleeves & 5 x O-rings
Distillation set, large
Distillation set, largeGlass construction kit for organic chemistry. The individual parts are with NS 19/26 and NS 24/29 grinding.
Distillation set, semi-micro
Distillation set, semi-microConstruction kit in glass for the construction of apparatus for distillation on a semi-micro scale. The individual parts are with normal grinding NS 14/23.
Distillation set, small
Distillation set, smallGlass construction kit for organic chemistry. The individual parts are with NS 14/23 grind.
DNA Model 50cm
DNA Model 50cmAssembled
As FR-527565, but with 12 base pairs:thymine (t), 6 adenine (A), 6 guanine (G) & 6 cytosine (C).
The side chains consist of dextroribose (red) and phosphate (purple), which can also be separated.
DNA model, 12 layers
DNA model, 12 layersThe model has 12 base pairs: 6 thymine (t), 6 adenine (A), 6 guanine (G) and 6 cytosine (C).
The side chains consist of dextroribose (red) and phosphate (purple), which can also be separated.
