The standard device was a microammeter with a 200 μA full-scale deflection. Because the incoming signal is actually an alternating current, the meter was specified to have an internal full-wave ...

Probably still a handheld brick with the big selector switch, but instead of that LCD you’d have seen a large moving-coil meter with a selection of scales for the different ranges. It would have ...

The meter is the base unit of length in the International System of Units (SI), making the nanometer a derived unit used primarily to measure the atomic and molecular scale of materials and the ...