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.
Значення
значень: 1(історичне)A mechanical display board, used at railway stations etc., having the text characters on individual flaps that can be rotated to form different messages.
Форми
множина: flapper boards| Однина | flapper board |
|---|---|
| Множина | flapper boards |
правильне