Ready to use indicator. Automatic start. Small size. Lightweight. Sturdy construction Stainless steel cartridge. It can be stored for a long time. Quick availability of use. Delivery of oxygen controlled by the respiratory rhythm. Excellent...

Rite In The Rain Transit Polydura Bound Notebook # 300. Rite in the Rain® field books allow you to work efficiently in any weather and still protect your valuable data.

The new GPSMAP® 64s has a 2.6 "sunlight-readable display and a high-sensitivity GPS and GLONASS receiver with a Quadrifilar Helix antenna for superior reception capabilities. High-sensitivity GPS and GLONASS with a Quadrifilar Helix antenna for...

Each X-series distance meter provides area and volume measurements and also features a painter function, smart landscape mode, and Pythagoras functions.

There are many granulometric scales in use, but the Udden-Wentworth scale (commonly known as the Wentworth scale) is the most widely used in geology.

ANTENNA FOR THE GARMIN BRAND ¨AERA¨ GPS SERIES. New: A brand-new, unused, unopened, undamaged item in the original packaging (if packaged).

A geology-specific baseplate compass for students and field geologists who prefer a lightweight option or need an effective backup compass for field work. The Geo Lite Transit offers all the precision of a Brunton Transit, in a smaller and...

Explorers can rely on this highly accurate mirrorless compass. A full suite of navigation functions and romer scales offer seamless GPS integration.