(a subsiderary of Pacotronics). They were base in
Elmhurst in New York state. The also had a
subsidiary called PACO who manufactured kits for the
market. I purchased this 856 series multi-meter in South Africa and
it is dated around 1942. It is in perfect working order.It
is housed in a wooden mahogany case.
Click on the pictures for full size photograph
92-27 Horace Harding Blvd.
Elmhurst L.I., N.Y
The Precision Apparatus
Company still exists under the name
0 to 6000 volts AC or DC, 1000 and 20,000 Ohms per volt
0 to 300 milliamperes and 0 to 12 amps
0 to 60 Megohms, -12 to +70 Decibels.
and circuit diagram