Dynacord
Models and s/n	Y	M	D	Remarks	Ref.
Standard Manual
S.& Y.
2064000	1965				6
2080001	1966				6
2081001 up	1967				6
Electric
II and IV
2605000	1965				6
2630001	1966				6
26310001 up	1967				6
Portable
Classic 18
1333000	1965				6
1360001	1966				6
1363001 up	1967				6