Stephen Davies ← Feedback for iCircuit My feedback 1 result found Thermionic valves or maybe you call em tubes 1 vote Vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback FacebookGoogleorForgot Password?New here? Create an account Signed in as (Sign out) Close Close 1 vote 2 votes 3 votes Remove votes You have left! (?) (thinking…) 1 comment · General · Edit… · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback FacebookGoogleorForgot Password?New here? Create an account Signed in as (Sign out) Close Close Submit Rating An error occurred while saving the comment Stephen Davies commented · Nov 24, 2014 · Edit… · Delete… how about some simpleThermionic valves or maybe you call em tubes Save Submitting... Stephen Davies shared this idea · Nov 24, 2014
how about some simpleThermionic valves or maybe you call em tubes