MEMOIR OF THE FOUNDING AND PROGRESS OF THE UNITED STATES NAVAL OBSERVATORY Founded A.D. 1842 Washinton Observations for 1871.-Appendix IV.

'Prepared at the U.S.Naval Observatory by order of Rear Admiral B.F. Sands U.S.N Superintendent U.S.Naval Observatory'. f/piece (phot of 'The Great Telescope Made by Alvan Clark & Sons A.D.1873' (this is printed using the new Albertype process)+52 (this inc. all leaves), marbled endpapers; the main internal fault is a 2 cm wide strip of paper along the t.p.gutter which continues on previous gutter along recto f/piece, this has some brown marks, also affecting top inner corner of f/piece and a few other flecks (though not the image), this all seems to be about securing the f/piece - whether after original textblock had been bound or to rectify a disbinding is unclear, otherwise internally clean, tight and unmarked. Covers are half black leather with dark boards, generally clean but much rubbed, especially leather corners and spine ends, with a small 75mm hole in spine affecting gilt lettering, a small gilt telescope image top front beside spine. Apparently extremely scarce.