3 ms·
Tommy Flowers (https://en.wikipedia.org/wiki/Tommy_Flowers https://en.wikipedia.org/wiki/Tommy_Flowers) knew a thing or two about valves (and how reliable they
by lalabert 2y ago
Tommy Flowers (https://en.wikipedia.org/wiki/Tommy_Flowers https://en.wikipedia.org/wiki/Tommy_Flowers) knew a thing or two about valves (and how reliable they were if not switched off!). We have him (amongst many others) to thank for the success of Bletchley Park.