| 摘要 |
PROBLEM TO BE SOLVED: To make an initial driving direction identifiable at a glance when a level measuring gage is placed on a ground surface by writing golf putting terms at the gage. SOLUTION: The golf putting line terms 3 are written on a level gage body 1 so that an inclination degree and direction are made identifiable at a glance by a direction indicating ball 2. This instrument is thus helpful as a measure for hitting a ball to an exact direction. |
