bombe
cryptomodule
electroejaculator
electrolyzer
thermionic tube
tube
thermionic vacuum tube
electron tube
electropenetrograph
thermionic valve
Turingery
vacuum tube
cryptomaterial
tabulator
electrocauterizer
cyclometer
tabulating machine
electric
electrogustometer
cryptograph
neuroimager
electrolaryngograph
cryptomathematics
cryptosystem
eviscerator
electrodecanter
read head
cryptanalytics
logic analyzer
physical unclonable function
precomputer
electroeluter
cryptoprocessing
electromyograph
tiptrode
digitizer
electroblotter
write head
power toothbrush
classical cipher
probe
paper tape reader
electrochlorinator
tape reader
punched paper tape reader
electrostimulator
interrupter
punched tape reader
Enigma machine
phase tester