Page 5 Advertisement 2

Radio Record, Volume III, Issue 23, 20 December 1929, Page 5

UFFORMTY D2 hlulex Whether in cartons or in carloads, you will find DIATRON quality absolutely uniform UNIFORM because the complete materials for DIATRON valves are made right in the DIATRON plant; UNIFORM because the manufacturing process from first to last is ITHIUL under the personal supervision of Walter R Armstrong; for 38 years an acknowledged / authority on vacuum products; UNIFORM because DIATRON valves are subjected to complete and exhaustive tests at every stage of manufacture; and final rigid tests before dispatch: DIA TRON valves are built throughout to the most exacting standards : that is why DIATRON is definitely 2 superior valve superior in performance, in construction, in durability. Insist on tize Vatve in tke 66 Blue Diamond'> Carton: N.Z: Distributors: Na R. CUNNINGHAM, LTD,, Masterton: DATRON PRECISION RADIO VALVES