Plankton Collection Net with Vial Type_Cross-Sectional Straight receiver adapter with cone

Straight receiver adapter with cone in borosilicate glass features 19/26 socket and 19/26 cone for distillation collection and apparatus connections

Pair of Alnico bar magnets supplied with steel keepers in a cardboard box

The waves generate nodes & antinodes & their full wave length or half wave length can be measured

chloroplasts

this five-piece weight set bundles machined steel shafts from 50 to 1000 grams on a wooden storage block

Plankton Collection Net with Vial Type_Cross-Sectional Straight receiver adapter with coneCollection net for aquatic plankton sampling, featuring fine mesh muslin netting, a swivel attachment, and collection vials for gathering microscopic organisms in the field.