The Sandison model 5V was manufactured for Epsom Brothers Ltd by K. S. Irvine in 1933.

Other radios based on the same chassis:

5 valve broadcast band radio

The circuit below is a 'best guess' based on the ties with Radio Corp (or possibly Exelrad) parts

Sandison 5V
Evening Post, June 10th 1933

Technical Information

Valves (5): 57, 58, 57, 47, 80

Intermediate Frequency: 175kc/s

Frequency Bands: 1

Chassis Notes(most schematics can be clicked to download a full size version)

1932 Courtenay 5C and 103 Schematic

Note, this schematic is almost identical, but has a 250k resistor to ground on the 2nd IF secondary, and a different B+ power arrangement for the first audio 57.  This might be the 103 schematic with the above being the 5C?  Its in the Pacific service literature as a '5V M.V.C.'1932 Courtenay 5C

1932 Courtenay 5C

Other documented models using this chassis (7 in total)

1932 Courtenay model 5C
1933 Courtenay model 103
1933 CQ model 52
1934 Courtenay model 103
1932 Pacific model 5C
1934 Stella model 5A