A Comprehensive radio valve guide.
Broadstone : G.C. Arnold Partners,
1994.
"Characteristics and base connections for English and American valves ... including voltage and current stabilisers, rectifiers, and post-war English TV tubes"-- On cover.
Contents: Bk. 1. Covering valves originating from 1934-1951 -- Bk. 2. Covering valves originating from 1951-1954 -- Bk. 3. Covering valves originating from 1954-1956 -- Bk. 4. Covering valves originating from 1956-1960 -- Bk. 5. Covering valves originating from 1960-1963.