TY  - GEN
T1  - The description and use of a complete sett or case of pocket-instrumentscontaining the construction of the several lines laid down on the plain-scale, and sector; with their application, in variety of Mathematical problems. By William Webster.
DA  - MDCCLXVIII. [1768] 
CY  - London :
AU  - Webster, William,
ET  - The fourth edition, corrected.
PB  - printed for H. Woodfall, J. Rivington, L. Hawes and Co. R. Horsfield, S. Crowder, T. Caslon, T. Longman, J. Pritchard, C. and R. Ware, and W. Nicol,
PP  - London :
PY  - MDCCLXVIII. [1768] 
N1  - Price from imprint: price 1 s. 6d.
N1  - Reproduction of original from British Library.
ID  - 574240
KW  - Mathematical instruments.
TI  - The description and use of a complete sett or case of pocket-instrumentscontaining the construction of the several lines laid down on the plain-scale, and sector; with their application, in variety of Mathematical problems. By William Webster.
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ER  -