flapper board
flapper board · flapper boards
A mechanical display board, used at railway stations etc., having the text characters…A mechanical display board, used at railway stations etc., having the text characters on individual flaps that can be rotated to form different messages.
Значение
значений: 1(историческое)A mechanical display board, used at railway stations etc., having the text characters on individual flaps that can be rotated to form different messages.
Формы
мн. число: flapper boards| Ед. число | flapper board |
|---|---|
| Мн. число | flapper boards |
правильный