Iron Cylindrical Hooked Weight, 10-Pack Mass:500g Versatile glycerin reagent used as

Versatile glycerin reagent used as a microscopy mounting medium

this five-meter retractable tape measure pairs a 13 mm curved rust-proof carbon-steel blade with a locking control

pairing an extractor thimble chamber with a boiling flask and condenser for continuous solvent cycling

Switchable brightfield and darkfield illumination combines with a 40-400X monocular compound microscope and mechanical stage for versatile specimen study

with a clear Perspex back revealing the internal tube-and-linkage response to pressure

Iron Cylindrical Hooked Weight, 10-Pack Mass:500g Versatile glycerin reagent used asMachined iron cylinder with a top hook and bottom slot for tandem hanging, sold as a ten pack sized for class wide physics experiments on force and Newton's laws.