"Wardssci090005"

Great for Stream Sampling

Teach Students to Quickly Determine Tree Heights

A versatile marking tool.

Dehydrated Preserved

Measures in metric units.

Used to Examine Wood Quality and Measure Growth Rates

This doublet lens system at 10X provides sharp magnification.

Combine Hydroponics and the Study of Mineral Deficiencies

Determine the Diameter of Trunks by Measuring their Circumference

An absolute must when conducting field studies.

Battery operation makes the unit completely portable.

An impressive survey of north american trees.

An easy-to-use, disposable tube method that indicates the presence of Total Coliform Bacteria.