The Everest model 5M7 was manufactured for Max Gunn Radios by Akrad Radio Corporation Ltd in 1947. It's part of the 1947 5M7 Mantle series.

Other radios based on the same chassis:

5-valve broadcast band radio.

The Everest model 5M7 is part of the '1947 5M7 Mantle' series.

The 5M7 was widely sold in New Zealand under several different minor brand names but unusually not, it seems, under Akrad's own house-brands (Pacific and Regent).

The 5M7 has been sighted in at least 3 different cabinet styles and its possible all three styles were used by all manufacturers.

The cabinet styles allocated to each brand are believed to be right, despite More Golden Age listing different brands to the different cabinets.  The Escort from McKenzie & Willis in Christchurch has a transfer on the cabinet top identifying it, while the Invincible, with its more rounded cabinet, is the only model sighted (so far) with its own dial scale and the brand written on the dial.  The Pathfinder 'Cub' is shown in advertising to use the same cabinet as the Escort - this (the first shown above) seems to have been the most common cabinet example. 

The cabinet types specific to any brand require confirmation and so if you have one please get in touch.

The items in this series are

Technical Information

Valves (5): 6K8GT, 6SK7, 6Q7GT, 6V6GT, 6X5GT

Intermediate Frequency: 465kc/s

Frequency Bands: 1

Chassis Notes(most schematics can be clicked to download a full size version) This chassis was sold in radios under several different Akrad-manufactured brands - Escort, Pacific, Regent, etc

1947 Escort 5M7

1947 Escort 5M7

General Construction Notes for Akrad Radio Corporation Ltd:

Akrad sets often consist of 3 (or 4) numbers (eg: 518, 1059) or number-letter-number (5M4), and a common pattern exists for these sets: The first digit(or 2 digits in the case of 10-or-more valves) is the number of valves, the second is the number of bands and the third is the last digit of the year. Where the middle digit is a letter rather than a number it generally refers to the type of set - M for mantle, P for portable, G from radiogram etc

Often sets can be dated by the speaker, as many Akrad sets from the Pye era have the date of manufacture stamped on the back of the magnet housing.

Other documented models using this chassis (4 in total)

1947 Escort model 5M7 'Junior'
1947 Pathfinder model 5M7 'Cub'
1947 Invincible model 5M7