An Elementary Treatise on Optics: intended chiefly to elucidate the principles of the construction of telescopes, and some other optical instruments by Robert Phelps - 1835

Cambridge: E. Johnson, 1835. Hardback. Good/No Jacket. 753 8vo. Dark green faux leather boards, gilt titles (re-backed, not recently). With blank pages left here and there for students' notes. Some of these pages have been used (in I think a nineteenth century hand) for occasional snippets of accountancy. The handwritten headings of the snippets have generally been partially lost, suggesting overenthusiastic trimming when rebinding. A folding sheet of pencilled notes has been slipped in. Condition notes: The boards are rubbed, worn and discoloured. The half title and the first few pages are soiled. Occasional pencil annotations in the margins. Binding firm. Some pages have suffered from careless trimming or opening.