Manufacturers
- Palec Paton Electrical PTY LTD
- Palomar Engineers
- Panasonic
- Panoramic Radio Products
- Parasound
- Parks Electronics Laboratory
- Peace
- Pentax
- Pfaff
- Phase Linear
- P & H Electronics
- Philco
- Philips
- Philmore Manufacturing
- Picotest Corporation
- Pierson Electronic Corporation
- Pilot Radio and Tube Corporation
- Pioneer
- Plessey Electronics
- Plus Vision Corp.
- Polar Instruments Ltd.
- Polaroid
- Polytronics
- Power Designs Inc.
- PowerTen
- Präcitronic
- Practical Electronics Sound Design
- Precise Development Corporation
- Precision Apparatus Corporation
- Precision Electronics
- Precision Systems Inc.
- Precision Test System
- Prema Präzisionselektronik und Messanlagen GmbH
- President
- Programmed Test Sources Inc.
- Protek
- Proview
- Proxxon
- Puxing
- PYE
Interesting Manuals
The Class 18 Machines, described in the following list, are each provided with cylinder bed. disc balance wheel at left hand side, hollow needle bar
Modulation system EFM (Eight to Four teen Modula tion) Frequency response 20 to 20, 000 Hz ± 3 dB Wow and Flutter Below measurable limit Inputs