Handbook of practical botany : for the botanical laboratory and private student / by E. Strasburger ; edited from the German by W. Hillhouse ; revised by the author, and with many additional notes by author and editor.

  • Strasburger, Eduard, 1844-1912.
Date:
1889
Catalogue details

Licence: Public Domain Mark

Credit: Handbook of practical botany : for the botanical laboratory and private student / by E. Strasburger ; edited from the German by W. Hillhouse ; revised by the author, and with many additional notes by author and editor. Source: Wellcome Collection.

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    1 inch and j inch Object glasses, in mahogany case, for £5 5^. Without objectives, but with 2 eye-j)ieces, £3 10s. To this can be fitted an achromatic condenser for £1 2s., and other pieces of apparatus. Beck’s best objectives are expensive; but he con- structs good student glasses at a lower rate. Amongst the cheaper optical firms, we may mention the following:— C. Baker (241 & 245, High Holbom, London, W.C.) publishes a “ Medical Microscope ” on the old continental model (of Hachet & Hartnack), with draw-tube, coarse adjustment by sliding tube, fine by screw, and 2 eye-pieces, in mahogany case, for £3 3s. With 1 inch and ^ inch object-glasses and condenser for opaque objects, £6 7s. Chas. Collins (157, Gt. Portland Street, Oxford Street, Lon- don, W.) offers a “Histological Microscope,” with coarse adjustment by rackwork or by sliding tube, fine screw adjustment, one eye- piece, 1 inch and \ or \ objectives, in mahogany case, for £5 10s.; or with extra eye-piece, polariscope and stage condenser, for £7 10s. Also a “ Student’s Microscope ” of rather larger size, with similar fittings, at an extra cost of £1 10s. H. Crouch (66, Barbican, London, E.C.) publishes “ The Histologist’s Microscope,” coarse adjustment by sliding in cloth- lined tube, fine by screw, glass stage with diaphragm, 1 inch and or inch objectives and 2 eye-pieces, in mahogany case, for £5 5s. A Stand Condenser can be added for 8s. OcZ., and an Achromatic Condenser for £1 Is. T. Darton & Co. (45, St. John’s Street, West Smithfield, London, E.C.) have an “Improved Histological Microscope,” on much the same model as that of Crouch, with di*aw-tube, screw fine adjustment, 2 eye-jheces, inch and ^ inch objectives, glass stage, in mahogany cabinet, for £5 5s. Other apparatus can be fitted. Parkes & Son (St. Mary’s Row, Birmingham) offer a “ Portable Educational Microscope,” a reliable and very steady instrument, with coarse adjustment by body sliding in cloth-lined tube, fine by screw, draw-tube, 2 eye-pieces, 1 inch objective, separating to 2 inches, ^ inch ditto, with magnifying power ranging, with use of draw-tube, from 140 to 470 diametei'S ; also with spot lens, con- denser on jointed arm attached to the stand, diaphragm, with disc for “ white-cloud illumination,” and glass stage, in mahogany case with leather handle, £6 10s. If with inch objective instead