Manufacturers
- Racal
- Racal Dana
- Radio Belvu SA
- Radio MFG. Engineers
- Radio Shack Division
- Radiomarine Corporation of America
- Radiometer
- Radiosystem
- Radix Electronic Vertriebs GmbH
- Ramsey Electronics
- RCA
- RCP Radio City Products Inc.
- Realistic
- Redifon
- Revox
- Rheem Manufacturing Co.
- Ricoh
- Rigol Technologies Inc.
- Riser-Bond Instruments
- Roadstar
- Robotron
- Rockland
- Rockwell-Collins
- Rod-L Electronics Inc
- Rohde & Schwarz
- Roland
- Rollei
- Rotel
- RP Electronics
- Rycom Instruments
Interesting Manuals
Sewing machine
Machines of Class 11 have a cylinder bed and a drop feed, and are especially designed for stitching heavy tubular shaped articles in cloth or leather. They are used in the manufacture of mail bags, coal bags, ore bags, military boots and a great variety of similar articles. Some of the machines of Class 11 are intended for making grommet holes and overseaming or zig-zag stitching in heavy fabrics. Machine 11-30 is used for stitching rubberized material in the manufacture of aeroplanes ...