Newest Products

This round double concave optical glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 16.5mm thick...

Double Convex Spherical, lenses made of extra white glass with ground edges, highly polished. Spherical, made of extra white glass with ground edg...

Highly polished, double concave lens Lens measures 2" (50mm) in diameter and is approximately 3mm thick Diverging lens with a 300mm focal length M...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 2" (50mm) in diameter and is approximately 3.5mm thick 250MM FOC...

This round double concave optical glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 3mm thick. N...

This round double concave optical glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 4mm thick. N...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 2" (50mm) in diameter and is approximately 3.8mm thick 200MM FOC...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 2" (50mm) in diameter and is approximately 4.6mm thick 150MM FOC...

This round double concave optical glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 5.5mm thick....

This round double concave optical glass lens is designed for physics and educational uses. It is approximately 2" (50mm) diameter and 8mm thick. N...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 2" (50mm) in diameter 100MM FOCAL LENGTH || Diverging lens with ...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 1.5" (38mm) in diameter and is approximately 7.8mm thick 50MM FO...

Highly polished, double concave lens Lens measures 1.5" (38mm) in diameter and is approximately 3mm thick Diverging lens with a 300mm focal length...

Highly polished, double concave lens Lens measures 1.5" (38mm) in diameter and is approximately 3mm thick Diverging lens with a 250mm focal length...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 1.5" (38mm) in diameter 200MM FOCAL LENGTH || Diverging lens wit...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 1.5" (38mm) in diameter 150MM FOCAL LENGTH || Diverging lens wit...

DOUBLE CONCAVE || Highly polished, double concave lens SPHERICAL || Lens measures 1.5" (38mm) in diameter and is approximately 6.2mm thick 100MM F...

A set of different shape materials for demonstrating electromagnetism and induced currents, the set includes two electromagnetic coils mounted on p...

Set of 6, three dimensional geometrical models Large scale. Each piece measures approximately 4" long, 4" wide & 4" tall Made of polished, sol...

This wooden machine has a sturdy wooden construction ideal for classroom use. This apparatus can model how gears work at a basic level to make work...

This wooden machine has a sturdy wooden construction ideal for classroom use. This apparatus can demonstrate how gears can turn rotational motion i...

Stainless steel, plain. Pack of 10. 15 cm, Pack of 10

Stainless steel, plain. Pack of 10. 12.5 cm, Pack of 10

Stainless steel wire gauze with ceramic center 15 x 15 cm Pack of 10  

Pack of 10 square wire gauze with ceramic center. Made from quality stainless steel. Dimensions. Contains no asbestos. Great for any school or hom...

Gas Jar made of heavy-duty borosilicate 3.3 glass Used for collecting gases by displacement of water and air Open at one end Features ground flang...

Gas Jar made of heavy-duty borosilicate 3.3 glass Used for collecting gases by displacement of water and air Open at one end Features ground flang...

Gas Jar made of heavy-duty borosilicate 3.3 glass Used for collecting gases by displacement of water and air Open at one end Features ground flang...

Borosilicate glass with interchangeable plastic stopper and Rotaflow   stopcock. Graduated. Capacity 500 ml,   Socket   Size 24/29

Borosilicate glass with interchangeable plastic stopper and Rotaflow  stopcock. Graduated. Capacity 50 ml,  Socket  Size 14/23

Borosilicate glass with interchangeable plastic stopper and Rotaflow   stopcock. Graduated. Capacity 250 ml,   Socket   Size 19/26

Borosilicate glass with interchangeable plastic stopper and Rotaflow   stopcock. Graduated. Capacity 2000 ml,   Socket   Size 29/32

Borosilicate glass with interchangeable plastic stopper and Rotaflow   stopcock. Graduated. Capacity 1000 ml,   Socket   Size 29/32

Borosilicate glass with interchangeable plastic stopper and Rotaflow   stopcock. Graduated. Capacity 50 ml,   Socket   Size 19/26

Borosilicate glass with interchangeable plastic stopper and PTFE   Key stopcock. Graduated. Cap. 500 ml, Socket Size 24/29

Borosilicate glass with interchangeable plastic stopper and PTFE  Key stopcock. Graduated. Cap. 50 ml, Socket Size 14/23

Borosilicate glass with interchangeable plastic stopper and PTFE   Key stopcock. Graduated. Cap. 250 ml, Socket Size 19/26

Squibb Separating Funnel made from high quality, heavy duty 3.3 borosilicate glass. 2,000ml capacity. Socket size 29/32. PTFE stopcock and interch...

1000 ml capacity, Squibb style dropping funnel made of high quality, heavy duty borosilicate glass Features a 29/32 size socket with an interchang...

Borosilicate glass with interchangeable plastic stopper and PTFE   Key stopcock. Graduated. Cap. 100 ml, Socket Size 19/26

Made of high quality, heavy duty Borosilicate glass 500ml capacity. White graduations Glass key stopcock Includes interchangeable plastic stopper....

Borosilicate glass with interchangeable plastic stopper and glass  stopcock. Capacity 50 ml,  Socket  Size 14/23

Borosilicate glass with interchangeable plastic stopper and glass   stopcock. Capacity 250 ml,   Socket   Size 19/26

Borosilicate glass with interchangeable plastic stopper and glass   stopcock. Capacity 2000 ml,   Socket   Size 29/32

Borosilicate glass with interchangeable plastic stopper and glass   stopcock. Capacity 1000 ml,   Socket   Size 29/32

Borosilicate glass with interchangeable plastic stopper and glass   stopcock. Capacity 100 ml,   Socket   Size 19/26

Borosilicate glass with plastic stopper and PTFE stopcock, stem  with cone. Capacity 500 ml,  Socket / Cone  Size 29/32

Borosilicate glass with plastic stopper and PTFE stopcock, stem  with cone. Capacity 50 ml,  Socket / Cone  Size 19/26