TY  - BOOK
AU  - Charles. N Pickworth
TI  - Instructions for the use of A W Fabers improved calculating rule
U1  - 510.78 
CY  - London
PB  - A. W. Faber
N1  - Charles. N Pickworth: Instructions for the use of A W Fabers improved calculating rule.  London.  A. W. Faber,--(510.78PIC)
ER  -