"serv Dial Sud & sars"

Precise Vernier Caliper

Triple scales provide a sensitive measure of atmospheric pressure.

This bourdon style vacuum gauge features a 2" Dial with a range of 30-0" Hg.

Built to Last for Years

Organic liquid thermometer features a U-shaped tube mounted on a plastic casing with metal floats at the top of each column.

Each compass features a metal capped needle mounted in a sturdy aluminum cylindrical case with a card dial and beveled glass top.

Easy to Read

This economical sphygmomanometer measures blood pressure with a standard-size, Velcro arm cuff and easy to read dial. Accurate to +/- 3mm Hg, For easy access it stores in a handy zippered case.

Design to serve dual purpose as volt meter and ammeter.

An easy to use home blood pressure kit.

Customize your own insect net, or replace existing parts.

Tip-free stability for experiments.

Transmits all Visual Information to the Brain

Withstands the strongest brush.

Show the mechanical advantage of the wheel and axle.

Convenient and autoclavable.