1. Broadband analog radio frequency wattmeters

2. - Non-recording galvanometers, with thermal scale, ammeters, voltmeters and wattmeters ex II. Other:

3. - Non-recording galvanometers, with thermal scale, ammeters, voltmeters and wattmeters B. Other:

4. With a clatter, the flatterer shattered the chattering wattmeter in the chaos.

5. - Non-recording galvanometers, with thermal scale, ammeters, voltmeters and wattmeters ex 91.04 Other clocks:

6. Electricity supply or production meters (including calibrated) (excluding voltmeters, ammeters, wattmeters and the like)

7. This paper concludes general calculative regularity of readings of two-wattmeter method using the impedance angle of balanced load.