Abstract: An ultrasonic distance measurement system for use in air is presented. The measurement is based upon the two-frequency continuous-wave (TFCW) phase-shift method. In the system, two vernier ...
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Best bike bells: Safety and style on the bike
The compact and stylish Spurcycle bell is made in the USA and comes with a guarantee for life. It uses a brass alloy dome and an aluminium hammer in a small package. The Spurcycle comes with two metal ...
A plastic housing with two graduated scales. Knob on front actuates both scales. Brass acorn nut at center holds the unit together. Knob rotates a brass post that turns a brass plate, friction ...
A plastic housing with graduated scale seem through three ports. Knob on front actuates scale. Brass acorn nut at center holds the unit together. Knob rotates a brass post that turns a brass plate, ...
Buy New measumax 33-191 33 191 Dial Caliper 150mm Metric for sale by Hare and Forbes MachineryHouse - NORTHMEAD.
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