Fontstruct's first vacuum tube font!
This is a design inspired by Nixie tubes. Since these "tubes" are iconographic, they could theoretically represent 12AX7s, 6L6s, KT88s, or whatever tube/valve you wanted. Feel free to clone and build on this concept.
a = A.M.
b = Bell
c = Celsius
d = Fahrenheit
e = Degree sign
f = Friday
g – l = Seconds, minutes, hours, days, months, and years.
m = Monday
o = Pence
p = P.M.
s = Thursday
t = Tuesday
u = Saturday
v = Sunday
w = Wednesday
#, % – &, ( – +, /, < – >, and @ = January – December
à – ð = Thermometers