2-Meter University Optical Bench Subcategory_Thistle Funnels Pack of 10 natural bark

Pack of 10 natural bark cork stoppers in Size 21 measures 38mm in length with 36mm diameter for sealing laboratory vessels

Penny head solid cone stopper in borosilicate 3

Used to test how mass per length controls pitch

Polyester/cotton drill large-size white lab coat features long sleeves and three large pockets for general-purpose laboratory wear

25-inch frame with draining pins for post-wash inversion and drying

2-Meter University Optical Bench Subcategory_Thistle Funnels Pack of 10 natural barkPrecision machined 2 meter rail with 78. 75 inches of usable track gives upper division optics setups the rigidity needed for lens, mirror, grating, and laser source positioning work.