"VWR"

Formalin preserved bullfrogs Available in vacuum packs or pails.

Our excellent series of standard thin sections features important and interesting rock-forming mineral types most often found in field samples.

Our excellent series of standard thin sections features important and interesting rock-forming mineral types most often found in field samples.

Freshwater. Unicellular; desmid. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

Freshwater. Unicellular; large cells, with four flagella. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

Freshwater. Filamentous. Produces zoospores. Basic culture solution.

Characterized by green plastids and cell walls composed of cellulose.

Marine. Unicellular; brackish, centric cells. Marine medium.

Characterized by shells (tests) made of silica, in two parts.

Formalin preserved whole sheep plucks.

A unique opportunity to explore the pancreas, an organ of the mammalian digestive system responsible for the production and secretion of several digestive enzymes.

Our Most Popular collection.

The Air-Cooled Laboratory Rheostat is the classic lab solution for controlling voltages and currents.

The Digital Photogate Free Fall Apparatus retains the precision of older models while eliminating the hassle of setting up heavy steel columns and adjusting spark recorders.

This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.

Mounted Resistance Coils feature four copper wires and one copper-nickel wire.

A simpler version of the Advanced Pulley Demonstration Set, this model includes eight single pulleys and two double sheave pulleys in addition to EISCO ball bearing frictionless pulley.

Designed for consisent drop sizes.