# Rule 2 (A.A.U. Four-Wall Rules, 1931, historical)

> **Historical rulebook: not the current rules.** The current rules are here: https://handball.theperfectship.com/rules/four-wall/

Specifications for standard handball:

Color—Black.

Diameter—1 7-8 inches, with 1-32-inch variation.

Weight—2.3 ounces, with a variation of .5-ounce.

Rebound—From 100-inch drop, 60 to 65 inches.

Compression—160 to 210 (Stevens Compression Machine, 18-lb. load).

A new ball selected by the referee shall be used for all championship matches.

## Mentioned here

- [Referee](https://handball.theperfectship.com/match-referee.md)
- [Ball](https://handball.theperfectship.com/ball.md)

How this rule changed: [wording in every rulebook](https://handball.theperfectship.com/rulebooks/clause-history/code-fourwall-american/2-2.md)

## Relationships

- Referee relates to Ball: mentioned together in 6 sub-rules.

Rulebook: [A.A.U. Four-Wall Rules, 1931](https://handball.theperfectship.com/rulebooks/aau-fourwall-1931.md)

Source: Charles J. O'Connell, How to Play Handball ... Including Official Rules for Play and Diagrams of Court Construction (New York: American Sports Publishing Company, copyright 1931; Spalding's 'Red Cover' Series of Athletic Handbooks No. 114R), pp. 65-69; Ohio State University copy (HathiTrust osu.32435007267735), page screenshots saved by the user from HathiTrust's viewer. Public domain in the US.