SOUTHERN & PARTRIDGE TRANSFORMERS
Transformers & Rectifiers Ltd also hold many original designs, and specifications, appertaining to products produced by Southern Transformer Products (commonly known as STP), Gresham Transformers Ltd (GTL), and Partridge Transformers Ltd.
These companies provided vast amounts of small product to the likes of the Ministry of Defence (M.O.D.) under a wide range of NATO Stock Numbers. Transformers & Rectifiers Ltd maintains a database that enables cross-referencing of many of the original manufacturers’ part numbers and specifications to a NATO Stock Number.