National Panasonic R-441B transistor radio
The National Panasonic R-441B is a transistor radio manufactured by Matsushita
Electric, later known as Panasonic. The R-441B was first produced in 1963 and is
a portable, battery-powered radio with multiple wavebands (MW and
three SW bands) and features like fine tuning, a tone switch, and
connections for external devices. Matsushita’s history with radios
began in the 1930s, with the company’s first radio prototype developed
in 1931.