GPO/BT TRIAL & PROTOTYPE KIOSKS

1923 Competition Design by Sir John Burnet	1923 Competition Design by Sir Robert Mortimer
1923 Competition Design by the Birmingham Civic Society	1923 Competition Design by the Metropolitan Boroughs Joint Standing Committee
1923 Competition Winner Prototype of K2 - adopted kiosks had no door lever or Georgian glass	K7 - field trailed but was not adopted as aluminium did not weather well
Prototype kiosk with stamp vending machine in the rear panel - this idea became the K4 Click here for a POEEJ article	Same prototype - side view Trialled in the City of Bath in 1926
Exterior view of K6 with connection strips in rear	Interior view of K6 with connection strips in rear
K6 with strips connection in rear	The same K6 on the street

K8 Prototype - Picture dated 1966

Prototype Kiosk No. 8 (K8) outside Post Office, 207 Old Street, London.
Picture dated 1968