The likely term is mnemonic device, or memory aid, a way to remember information or spelling.
The term "pneumatic device" means a tool driven by compressed air.
That is how you spell it
Widget - a small mechanical device
That is the correct spelling of release (to let go, or a disconnection device).
The L should be an M. It is a pneumonic device for remembering the different letters for unit conversion of meters. Kilometer, hectometer, decameter, etc.
The name for the simple counting device is spelled abacus.
No, Guido d'Arezzo invented.FALSE!
There were two forms of plague, one Bubonic and the other Pneumonic. Pneumonic was not currable.
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yes if someone who had the black death breathed on you or you breathed it in the you would have the pneumonic plague
The photographic device is spelled "camera".
Widget - a small mechanical device
That is how you spell it
1674
That is the correct spelling of release (to let go, or a disconnection device).
Interval resolution of the hyper metabolic opacities in the lower lobes suggesting resolution of the pneumonic process
The correct spelling is "clock" (timekeeping device).
The spelling of the automaton or mechanical device is "robot".