Industrial & Scientific Store - Science Education Supplies

• This unit demonstrates the concept of a switch or interrupter with a circuit. Can be used inline with other components of Eisco Series PH1029
• Two 4 mm Terminals for banana plugs
• Base Measures 3.75\" (95.25 mm) x 2.75\" (69.85 mm) x 1.38\" (35 mm)
• CE Certification
• Power Source needed for operation. An economical Eisco power source is PH0971DCAC which is not included

• Beautiful Looks: natural metal color and metalic strips, the element cube is just great for collections.
• High Purity: W?99.95% element simple substance.
• Great for element collections, hobbies, DIY, experiments, material display.
• Accuracy: Product Size: 10x10x10mm
• Front : Periodic Table Element design

• DOUBLE CONCAVE || Highly polished, double concave lens
• SPHERICAL || Lens measures 3\" (75mm) in diameter and is approximately 6mm thick
• 1000MM FOCAL LENGTH || Diverging lens with a 1000mm focal length
• OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges
• GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction

• This round double convex optical glass lens is designed for physics and educational uses.
• It is approximately 3\" (75mm) diameter and 8.5mm thick. Note, thickness varies as they are not designed to be consistent in that respect.
• Because of their educational use design, there may be minor imperfections that do not affect physical function.
• 250mm Focal Length

• DOUBLE CONCAVE || Highly polished, double concave lens
• SPHERICAL || Lens measures 3\" (75mm) in diameter and is approximately 9mm thick
• 250MM FOCAL LENGTH || Diverging lens with a 250mm focal length
• OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges
• GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction

• Spare 200g slotted mass
• Stainless steel
• 1.5\" outer diameter
• 3/16\" opening
• 4/16\" interior diameter

• Glass Prism
• Right Angled
• 25mm Size
• Non-optically worked with polished faces, edges slightly bevelled.

• 90mm (3.5\") Semi Circular Glass Block
• 15mm thick
• Perfect for refraction and light experiments

• LIGHTWEIGHT ALUMINUM: The lens dust cap is made from premium durable aluminum alloy with a lightweight construction that is easy to use
• PERFECT FIT: The lens cap fits perfectly with the magnifying lens, effectively protecting the lens
• WITH THREAD: The dust cover is designed with female thread, which can be screwed directly on the thread of the lens interface to protect the lens more securely
• APPLICABLE MODEL: Lens cover is suitable for astronomical primary mirror or photographic socket with corresponding size thread
• ACCURATE SIZE: The dust proof lens cover of the magnifying mirror of the astronomical telescope is 1:1 mold opening

• Mini size Human Skull Model is made of resin.
• Ideal for teaching/learning the basics of human anatomy,painting,drawing model,halloween decoration,Ornament,Photography Prop
• Greatly detailed. Perfect Display Piece
• Decoration or Gifts?Useful Beyond your Expectation
• Measurements:95mm (3.5\") x 9mm (2.1\") x 5.5mm (2.3\") Weight:0.26lb

• For holding a magnet to demonstrate repulsion and attraction.
• 4.5\" Tall
• Needle Pint holds Plastic magnet holder

• Each disc measures 24.26 mm x 1.75 mm
• Precision machined from high purity metal, ground surfaces, and laser etched labels
• Size of US Quarter

• Student scientific instruments: density blocks have a wide range of educational applications for all grade levels, including density investigation, specific heat and specific gravity exploration.
• Aluminum density block: with iron, plastic and aluminum material cube, easy to compare density.
• Iron density block: designed to be in an educational setting and are not fabricated using ultra high precision machining.
• Physical cube set: strict quality inspection system ensures you product.
• Density physical experiment: the storage box packaging is convenient to take and carry the density block.

• DOUBLE CONCAVE || Highly polished, double concave lens
• SPHERICAL || Lens measures 2\" (50mm) in diameter and is approximately 13mm thick
• 50MM FOCAL LENGTH || Diverging lens with a 50mm focal length
• OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges
• GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction