Oxford: Oxford University Press, 1998. 4to., pp. xv,221, black hardcover, red lettering, b/w frontispiece, many b/w illustrations, four colour plates; small light stain to fore-edge, otherwise internally clean, light rubbing to extremities, slight fading to lower margin, a very good copy in a vg dust-jacket with a few light surface scratches.

New York: University of Columbia Press, 1973. 8vo., pp.ix,180, turquoise cloth, gilt; very minimal pen marking to rear paste-down endpaper, boards lightly toned, slight rubbing to extremities, a very good copy, in chipped glassine wrapper.

London and Felling-on-Tyne: The Walter Scott Publishing Co., Ltd, 1907. First English edition, 8vo., pp.xxvi,436, blue cloth, gilt, b/w frontispiece and plates; foxing to endpapers and prelims, spine rolled, rubbing with slight wear to extremities, a good copy.

Norwood: ARTECH HOUSE, INC, 2006. 8vo., pp.xiv,210, pictorial hardcover, b/w diagrams; just slight shelfwear, a very good copy indeed. No dust-jacket, as issued.

London: Routledge and Kegan Paul, 1985. First edition, 8vo., pp.xiv, red hardcover, gentle vertical crease to spine, light creasing to head/tailbands, else a very good copy, in a lightly toned unclipped dust-jacket.

Thomas Nelson and Sons Ltd, 1953. 8vo., pp.xi,319, red buckram, gilt, top edges red; neat ink ownership inscription to front paste-down endpaper (concealed beneath dust-jacket flap), some pale foxing to prelims and margins throughout, a very good copy, in very good unclipped dust-jacket, which is lightly chipped to head and foot of spine, and lightly sunned to spine.

Cambridge University Press, 1995. Reprints of the corrected editions, two volumes, 8vo., pp.x,458;ix,501, paperback; light creasing to spine of Volume 2, light toning to edges, a very good, fresh set.

London: The Louis Cassier Co, 1899. Fifth edition, large 8vo., pp.(vi),162-384, green cloth, gilt, pictorial title, numerous b/w illustrations and figures; foxing and small tear to cloth at head and foot of spine, light rubbing to extremities, a very good copy.

London: Institution of Electrical Engineers, 2001. 8vo.,pp. xvii,235, pictorial hardcover, b/w figures and tables; lightly rubbed to extremities, a very good copy. No dust-jacket.

Cambridge, Mass./London: Yale University Press, 1990. 8vo., pp.xii,273, pale blue cloth, gilt; slight roll to spine, a very good, fresh copy, in very good unclipped dust-jacket, which is lightly sunned to spine.

London: Cassell and Company Ltd, 1911. Two volumes, 8vo., pp.xi,828;vii,686, blue cloth, gilt, front boards lettered in black, b/w frontispiece, very numerous b/w illustrations throughout, including 11 folding plates to Volume II; contemporary ink ownership inscription (dated 1916) to front free endpaper of both volumes, toning to free endpapers, and foxing to prelims/end leaves of Volume II, with superficial paper-cracking to rear inner hinge, Volume I has a small area of loss to cloth and puncture mark near foot of spine, a small knock to lower spine of Volume II, rubbing and occasional slight wear to extremities, overall very good.

London: George Bell and Sons. Second, revised edition, published March 1907, 8vo., pp.xv,230,(ii), red cloth, gilt, b/w figures; foxing to fore-edges, toning to endpapers, extremities rubbed, with some rubbing and light scratches to boards, else very good. No dust-jacket.

New York: George H. Doran Company, 1926. First US edition, pocket 8vo., pp.45, turquoise cloth, navy lettering; light toning to endpapers, very light foxing to prelims and edges, not affecting margins, otherwise internally clean, a very good copy in clipped dust-jacket, which s worn to extremities, with closed tears, chipping, and small areas of loss - now in a protective cover.

London: Simpkin And Marshall, 1856. Small 8vo.,pp. 59, brown cloth, gilt lettering to front board, monochrome frontispiece; light toning to margins, soiling and scuff mark to front paste down endpaper, rubbed and toned to extremities, webbing becoming slightly visible to inner hinge, otherwise very good. No dust-jacket.

Princeton University Press, 1985. 8vo., pp.xvi,347, purple cloth with stamped title label to spine; ownership bookplate to front paste-down endpaper, a very good copy indeed, without dust-jacket.

Leiden: E.J. Brill, 1994. 8vo., pp.ix,364, red cloth, gilt; a fine copy, in a very good unclipped dust-jacket.

Dordrecht: D. Reidel Publishing Company (Kluwer), 1986. Reprint, 8vo., pp.xi,268, cloth, gilt; light rubbing to extremities, a very good copy. No dust-jacket, as issued.

London: Virtue and Co, 1867. Pocket 8vo., pp.viii,204,10 (publisher’s adverts), red cloth wrappers with unlettered spine and front cover stamped in gilt and blind; crosses marked to margins, corners have been folded, marking to wrappers, with light wear to edges, darkening to cloth, a good copy.

London: Cassell and Company Limited, 1909. 8vo., pp.xx,876, green cloth, gilt, colour frontispiece, colour plates, b/w figures; ink ownership autograph (twice) and blindstamp (thrice) to prelims, toning to front endpapers, light foxing to rear endpapers and fore-edges, paper cracking to rear inner hinge (joint remains firm), rubbing to extremities, a good+ copy.

Oxford: Clarendon Press, 1948. First edition, 8vo., pp.238, blue cloth, gilt; light toning to endpapers and edges, neat ink ownership inscriptionn to front free endpaper, faint marking to front board, light sunning to spine, a very good copy.