Wooden Storage Box for 3" Bar Magnets Subcategory_Clamps and Bossheads this 10-unit kit pairs two

this 10-unit kit pairs two each of 10/20/50/100/200-ohm enclosed resistors at 3

Wood-cased direct-vision spectroscope built around a 3-element prism stack

Adjustable locking hook positions items 110 mm from the support rod on this suspension clamp

and digestive tract for annelid anatomy teaching

providing a quick swap-in reference for general-purpose AC-circuit and timing-experiment work

Wooden Storage Box for 3" Bar Magnets Subcategory_Clamps and Bossheads this 10-unit kit pairs twoSliding top wooden box 4 x 2 x 1 inches, dimensioned to fit a pair of 75mm (3 inch) bar magnets and the keeper that bridges them while in storage.