US$ 352.50
and steel in a snap-top case
and 2 quadruple pulleys on a heavy composite base with capstan
and raised-graduated for shatterproof bench use
Aluminum-handled collecting net swings lightweight through tall grass and air sweeps for classroom field trips and introductory entomology sampling work
holding volume constant across specimens for isolated density comparisons
Three-Finger Lab Clamp with Bosshead, PVC-Coated, up to 3.5" Pack Size_100 and steel in a snap-topBuilt to grip round flasks and condensers during distillation or reflux, this three finger lab clamp pairs vinyl coated prongs with a swivel bosshead for flexible rod mounting.