Supplement to the P.I.C. book of general instructions
Subtitle: introducing the use of the P.I.C. differential scales for trigonometrical computations
By: by A. Boardman.
Contributors: Walker, Miles, 1867-1941.
Publisher: [s.n.]
Place of publication: [Manchester?]
Language: eng
Number of pages: 22
Subjects: Slide-rule.; Trigonometry -- Handbooks, manuals, etc.; Trigonometry -- Tables.
Genres: Tables.
Other titles: Book of instructions for the use of the PIC differential scales for trigonometrical computations
Notes: On cover: "Booklet no. 81."