HAND-BOOK OF THE "DOUBLE" SLIDE RULE, SHEWING ITS APPLICABILITY TO NAVIGATION. INCLUDING SOME REMARKS ON GREAT CIRCLE SAILING, AND VARIATION OF THE COMPASS, WITH USEFUL ASTRONOMICAL MEMORANDA EXTREMELY SCARCE NICE COPY BY W. H. BAYLEY , (LATE) H.M. EAST INDIA CIVIL SERVICE.

st edition. !2mo, vii + (1 blank) + 2 - 137 + (1 blank) pages complete. Original brown publisher's cloth covers, gilt lettering to spine, blind mottled design on front. Original yellow end papers. attractive bookplate inside front covers " John Rathbone". Red outside edges of pages. Covers : small chips top/bottom of spine, faintest rubs corners else clean and unmarked. Contents : front inner hinge crack, tiny ink dot page 46 in margin with very light pencil vertical line ( should erase easily) else very clean, tight and unfoxed. Clean tight copy. VG.