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.

The 9077 is a classic military-style observation compass (also known as a lensatic). This compass is perfect for those who want an observation compass with bomber mirrors. The sturdy metal body with a long straight edge ensures easy and...

Get the same rite in the rain quality with replacement 4 "x 6 1/2" blades. Get the same rite in the rain quality with replacement 4 "x 6 1/2" blades. Fits No. 204 Ring Binder. Sold in packs of 100 sheets.

Broad spectrum uva / uvb protection improved grape protection, more photostable protection thanks to patented avotriplex technology. very resistant to water and sweat free of oils, it absorbs quickly.

Softshell jacket for hiking, 100% windproof, breathable and...

These are the loose sheets that professionals use. Special 6-groove round punches fit Rite in No. 200 (43455), No. 9200 (49440), and No. 9200T (49441) Rain Ring Binders. 4-5 / 8˝ x 7˝ sheet size. Pack of 100 sheets. Tough, durable and weather...

Its design is the same that has made the Mini Maglite an iconic piece and that makes them the most recognizable flashlights of the last 25 years. It also continues the renowned precision and quality for which Maglite has always been renowned.