"Environmental Equipment"

Use as Station Markers

Great for Stream Sampling

Easily Take Accurate Measurements in the Field

Teach Students to Quickly Determine Tree Heights

A versatile marking tool.

Dehydrated Preserved

Real leaves for comparison.

Reveal the Effects of Air Pollution on Animals and Plants

Almost Indistinguishable From The Real Thing

Measures in metric units.

Used to Examine Wood Quality and Measure Growth Rates

Combine Hydroponics and the Study of Mineral Deficiencies

This doublet lens system at 10X provides sharp magnification.

Seeds germinate successfully when the soil is the right temperature. This virtually indestructible thermometer gives readings of -15 to 65°C with easy-to-read numbers.

This exceptional guide to North American insects is a benchmark against which all other guides are measured.

Determine the Diameter of Trunks by Measuring their Circumference