7aaa manual - copy
Bell System Practice 000 to 499
!

Bell System Practice 000-000-000 Issue 19 July 1966

 
6    Pages

Non Searchable  Format.

Bell System Practice 000-010-010 Issue 5 April 1964

 
9    Pages

Non Searchable  Format.

Bell System Practice 000-020-002 Issue 1 September 1960

 
5    Pages

Non Searchable  Format.

Bell System Practice 000-020-003 Issue 2 February 1964

 
9    Pages

Searchable  Format.

Bell System Practice 000-020-006 Issue 2 March 1967

 
20    Pages

Searchable  Format.

Bell System Practice 000-020-008 Issue 1 July 1961

 
17    Pages

Searchable  Format.

Bell System Practice 000-020-011 Issue 1 December 1966

 
1    Pages

Searchable  Format.

Bell System Practice 000-020-025 Issue 1 May 1961

 
2    Pages

Searchable  Format.

Bell System Practice 005-100-101 issue 4 April 1960

 
7    Pages

Searchable  Format.

Bell System Practice 005-101-112 Issue 2 March 1968

 
27    Pages

Searchable  Format.