* * * * *
THE PLAYING RULES OF PROFESSIONAL BASE * BALL * CLUBS
As adopted by the National League and American
Association of Professional Base
Ball Clubs.
THE BALL GROUND.
RULE 1. The Ground must be an inclosed field, sufficient in size to enable each player to play in his position as required by these Rules.
RULE 2. To lay off the lines governing the positions and play off the
Game known as Base Ball, proceed as follows:
From a point, A, within the grounds, project a right line out into the field, and at a point, B, 154 feet from point A, lay off lines BC and BD at right angles to the line AB; then with B as centre and 63.63945 feet as radius, describe arcs cutting the lines BA at F and BC at G; BD at H ; and BE at I. Draw lines FG, GE, EH and HF, and said lines will be the containing lines of the Diamond or Infield.
THE CATCHER'S LINES.
RULE 3. With F as centre and 90 feet radius, an arc cutting line FA at L, and draw lines LM and LO at right angles to FA; and continue same out from FA not less than 90 feet.