Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 150
packed away, as atFig. 55 b, with great facility, when once the manner of doing so hasbeen learned. Its construction is a marvel of ingenuity; while itsworkmanship is so excellent that its joints do not easily become * Instruments nearly resembling the above are made by Messrs. Murrayand Heath, Mr.… … Swifts Portable Binocular, as set up for use. high powers; but its great advantage consists in its suitability to theTraveller, who either wishes (as often happens to theAuthor) to dis-play to scientific friends in other countries a set of objects that canbe most advantageously seen by the…
Microscopy · Biology
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