+++ 1966.b. Philips EL3310 - world 1st cass. having manual and auto recording level
++ 1962(?).k. Reditune TP60
+++ 1963.a. Philips EL3300 - world's first "compact-cassette"recorder - the classic starting point of "cassette" era
+++ 1962-3.f. Revere M-2 - world's first çontinuous play" cartridge recorder
+++ 1965.a. Grundig C100 - first DC cassette recorder
+++ 1962 (?).e. Vity CR-II - 1st(?) japanese cassette recorder
+++ 1962.b. OrrTronic P-100
+++ 1963.b. Cousino 7320
++ 1964.f. Norelco 150 - first compact-cassette (TM) recorder made by Philips for USA
+++ 1964.c. Sanyo M-35 Micro-Pack - first cart recorder w variable speed
+++ 1958.a. RCA Victor CP-1 
1978.d. Electronika 302
+++ 1966.c. Philips EL3312= world's 1st stereo ''compact-cassette'' recorder
1967.a. Philips EL3303
++ 1967.b. Sony TC-12 = first japanese compact-cassette(TM) recorder