Wooden Entomology Pin Storage Block, 6-Hole Length_100mm and drawings to convert winding

and drawings to convert winding distance into straight-line length for geography coursework

and primitive vertebrate characteristics for comparative ichthyology teaching

the compact option in the abacus series for foundational arithmetic

Multiple adapter in borosilicate glass features two parallel necks with 19/26 sockets for connecting multiple components in chemistry apparatus

ASTM Class A 3-piece graduated cylinder set in borosilicate glass with polypropylene bumper guards provides precision volumetric measurement

Wooden Entomology Pin Storage Block, 6-Hole Length_100mm and drawings to convert windingSix differently sized holes in a hardwood entomology block hold insect pins of varying shaft lengths for organized pinning station workflow and specimen mounting.