30" Insect Collecting Net with Wooden Handle Health & Genetics_Health & Genetics Models and 4-pole armature configurations on

and 4-pole armature configurations on the same motor frame by swapping interchangeable enameled-copper armatures past a permanent bar magnet on a disc commutator

Borosilicate crown glass prism with refractive index 1

and strike-slip faults with clearly distinguished hanging-wall and footwall blocks for structural-geology lessons

this adjustable board accommodates specimens for butterfly

carbon canister and purge valve

30" Insect Collecting Net with Wooden Handle Health & Genetics_Health & Genetics Models and 4-pole armature configurations onWood handled collecting net pairs a sturdy grip with fine mesh netting for classroom field trips and introductory entomology collection work.