I am trying to find out when some items of British equipment were declared a) obsolescent and b) obsolete. The WO lists of changes covering WWII have not been published, much less digitized, so available information on this subject is patchy to say the least. If anyone can help with this I'd be very grateful. Items in question are below. VEHICLES 1. A13 Cruiser Tank Mk IV/IVA (A13 Mk II) 2. Light Tank Mk II/III series (including Mk II India Pattern) 3. Light Tank Mk IV (including India Pattern) 4. Light Tank Mk V 5. Rolls-Royce Armd Car 6. Fordson Armd Car 7. Guy Armd Car 8. Morris Armd Car (NOT to be confused with the Morris Lt Recce Car) 9. Marmon-Herrington Mk I/III Armd Car (SA Armd Car) 10. A15 Crusader Cruiser Tank (gun-armed marks I-III) 11. AA Light Tank Mk I/II (Light Tank Mk VI chassis) 12. Early (pre-Universal) Carriers--Recce, Cavalry, Bren, etc. 13. Alvis-Straussler Armd Car Guns and small arms will follow later. Thanks all.