Model, Physical Eye, can be used to demonstrate the optical functions of the human eye, Half eyeball with adjustable iris diaphragm, lens holder and 2 convex lenses (f = 65 mm and 80mm), on a rod, Dimensions: 49 x 5.5 x 18 cm, Weight: 2.45 kg
Model, Basic Crystal Structures, Set of 9, is a valuable teaching aid for physics and chemistry, Similar patterns of atomic arrangement reappear in large numbers of different substances, Dimensions: 28 x 20 x 19 in
Model, Copper Crystal, is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29, It is a soft, malleable and ductile metal with very high thermal and electrical conductivity, Dimensions: 12 x 12
Model, Diamond Crystal, is surrounded by four atoms directed in space toward the vertices of a tetrahedron, The hardness and large density of the diamond, contains 66- 1 inch balls, Dimensions: 24 x 24 x 12 in, Weigh
Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
Model, Magnesium Crystal, is a chemical element with symbol Mg and atomic number 12, It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second colum, Dimensions: 15 x
Model, Cesium Chloride Crystal, is the inorganic compound with the formula CsCl. This colorless solid is an important source of caesium ions in a variety of niche applications, Dimensions: 24 x 12 x 12 in, Weight:
Model, Screw Dislocation Crystal, is a crystallographic defect, or irregularity, within a crystal structure, strongly influences many of the properties of materials, Dimensions: 36 x 24 x 24 in, Weight: 9 lbs
Model, Sodium Chloride Crystal, also known as salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions, Sodium Chloride contains 64 - 1 inch balls,
Model, Olivine Crystal, is a magnesium iron silicate with the formula (Mg+2, Fe+2)2SiO4, Thus it is a type of nesosilicate or orthosilicate, contains 109 - 1 inch balls, Dimensions: 38 x 30 x 20 in, Weight: 9 lbs
Model, Wurtzite Crystal, named after the mineral wurtzite, is a crystal structure for various binary compounds, It is an example of a hexagonal crystal system, Wurtzite contains 39 - 1 inch balls, Dimensions: 24 x 2
Model, Graphite II (Hexagonal) Crystal, a low temperature dimorphic form of carbon, belongs to the hexagonal crystal system. Various physical properties may readily be explained from its structure, Dimensions: 24 x 2
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