Dual Beam Oscilloscope CD 1220

Two-beam oscilloscope CD 1220, broadband preamplifier CX 1256 0 to 40 MHz in nine ranges, double deflection preamplifier CX 1257 0 to 24 MHz, time base (A) 20 n sec / cm, time base (B) 2 µsec / cm, High voltage 13.5 kV,

Two other plug-in units for this instrument: CX1258 and CX1259.
Characteristics of CX1258: Sensitivity 100 µV/cm to 2 V/cm in 14 calibrated ranges. 
Bandwidth: d.c. to 50 kc/s at 100 µV/cm; d.c. to 100 kc/s at 200 µV/cm d.c. to 200 kc/s at 500 µV/cm. Max. In.phase voltage: ± 25 V peak from 100 µV/cm to 20 mV/cm; ± 250 V peak from 20 mV/cm to 2 V/cm.

Characteristics of CX1259: Sensitivity and bandwidth: x10: 5 mV/cm at d.c. to 24 Mc/s;
x1: 50 mV/cm at d.c. to 40 Mc/s.

These units are placed under the CRT with slide insertion.

Zweistrahl-Oszillograf CD 1220, Breitband-Vorverstärker CX 1256 0 bis 40 MHz in neun Bereichen, Zweifach-Ablenk-Vorverstärker CX 1257 0 bis 24 MHz, Zeitbasis (A) 20 n sec/cm, Zeitbasis (B) 2 µsec/cm, Hochspannung 13,5 kV,
Vertrieb Daystrom Overseas, Wien (Österreich).

In questo link sono elencati 33 modelli, di cui 30 con immagini e 11 con schemi.
Elenco delle radio e altri apparecchi della Solartron Laboratory Instruments Ltd.; Surrey