| 摘要 |
<p>414,401. Golf-practising appliances. KING, W., Sunnyside, Staple ford, Cambridgeshire. Jan. 28, 1933, Nos. 2737 and 2738. [Class 132 (ii).] A golf practice-mat comprises a stance section g having a hinged member supported by springs e and adapted to yield under the weight of the player and thereby close a switch d to light a lamp visible through a recess in a tee mat under the ball, so that failure to watch the ball is proved by failure to see the lighted lamp.</p> |
