RS Pro precision frame levelling tool. These frame spirit levels are designed for applications which require high accuracy levelling. Used for checking and aligning flat or cylindrical surfaces in ...

Clinometer National Air and Space Museum Stall Recovery System, Autopilot, Sperry, Stallemometer National Air and Space Museum Inclinometer National Air and Space Museum Transmitter, Radio, 50 Watt, ...

The model will be applied to the entire Adirondack State Park in northern New York State, and ultimately be available as a tool for collaborative forest management. Photo: Professor John Stella using ...

According to REI, the primary features serious adventures should look for when choosing a compass (beyond the essential ...

Features include an integrated clinometer to measure slope gradient, a baseplate with magnifying lens and adjustable ...