An important Marconi type 702 mirror-lid television,
sold on 26th November 1936 - two owners from new,
Britain's oldest working television set, with 240/405-line switch
Ser. No. H-1007,
12-inch screen with black mask, with the original 240/405-line selector switch in-situ within brown bakelite surround with control flap, internal 240-line valve holder not blanked off but valve absent, all original control knobs, in book-matched and part quarter-veneered flame mahogany cabinet with lateral crossbanding decoration, triptych speaker grille mesh to front, the workings with the original CRT, timebase chassis mostly untouched, some components replaced to main tag strips feeding other chassis, EHT transformer recently re-wound.
Accompanied with a full folio of paperwork including:
The original bill of sale to Mr. G. B. Davis of College Road, Dulwich, dated 26th November 1936, stamped and signed 'paid by cheque';
A Marconi 702 instruction manual, in 'foolscap blue' cover;
Photostats of service sheets including circuit diagrams and chassis layouts, general workbench information;
Very interesting original typed sheets from EMI dated 8th May 1946 following this sets' delivery at the Hayes factory for testing, with upgrading suggestions and testing formulas, stamped with the engineer's mark of the world-famous Gerry Wells, with workshop title and Dulwich address;
Operational apparatus including:
A Domino 625/405-line standards convertor;
A Home-made modulator with leads, contained within metal OXO tin chassis;
A modern Freeview set-top box;
And a small quantity of valves and some components, mostly boxed, but limited use for this set.