4-Prong Vinyl-Coated Clamp with Swivel Boss Head, 4.1" Max Subcategory_Electromagnetism Four 153 x 76mm plates

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

Large perch dissection model reveals swim bladder

the protective coating shielding glassware surfaces from nicks

the low-resistance high-current option paired with PH1150H in the heavy-load family

insertions

4-Prong Vinyl-Coated Clamp with Swivel Boss Head, 4.1" Max Subcategory_Electromagnetism Four 153 x 76mm platesFour vinyl coated prongs grip flasks and burettes up to 4. 1 inches; the swivel joint between clamp and boss head permits flexible angular placement on rods up to 18mm.