US$ 299.00
front and rear O2 sensors
5 inches tall
5-inch height including hook for spring-scale suspension
Suspends a 20mm solid brass cube from spring scales for Archimedes'-principle and buoyancy measurement
line-focus
Round Convex Glass Mirror, 75mm Diameter, 200mm Focal Length Material_Steel front and rear O2 sensorsConvex glass mirror at 75mm diameter and 200mm focal length, ~3. 1mm thick, the longer focal value softening divergence and producing a wider apparent field through reduced virtual reflections.
US$ 299.00
US$ 29.99
US$ 1000.00
US$ 11.13
US$ 11.13
US$ 232.00