George Adams Gregorian Telescope

A fine 18th century cuff type microscope by Sterrop, London The microscope stands on a mahogany base with single drawer fitted with a near complete set of accessories. A very simil...

A mid 18th century mahogany dwarf linen press with a caddy top and cross banded doors. Original brass carrying handles to the sides and three tills to the fitted interior, very usefu...

An early 19th century 2 day marine chronometer by Parkinson and Frodsham, London. Numbered on the brass bound mahogany 3 tier box, and the dial ...

A very good example of a lacquered brass theodolite with half circle adjustment, silver scales, and the original fitted mahogany case. Signed Troughto...

Late 18th century lacquered brass table telescope.

Geometrical and Graphical Essays [and] Plates to the Geometrical and Graphical Essays.; By the late George Adams, Mathematical Instrument Maker to his Majesty, & c. London: W. & S. Jones, 1813. Fourth Edition. Two volumes, 8vo, 9 x 5 3/4 in. (228 x 145 mm). Text volume: pp. frontispiece, xii, 534, [16] ads; Plates vol.: pp. title page and 34 folding plates. Previous owner's name penned on the first free flyleaf. Uniform contemporary paper-covered boards, untrimmed, housed in a felt-lined custom clamshell box, 9 x 5 1/2 in. Occasional browning to the edges of some of the plates in Vol. 2, 1/2 inch tear to fold of Pl. VIII and 1 inch tear to the edge of Pl XIV, none of these minor flaws affecting the images. Frontispiece "The Great Theodolite, by Ramsden, Used by the late Gen.l Roy &c. in the great English Trigonometrical Operations." This is the "Fourth Edition, corrected and enlarged by William Jones, F. Am. P. S. [ESTC T88416, 1791 edition]. The last chapter of these fascinating volumes includes conversion tables to various standard national measure ranging from the Paris foot to the Russian archine, to the Venice braccio, the Egyptian stadium to 'The mathematical foot of China'. GEORGE ADAMS the younger (1750–1795) was an English scientist, optician and scientific writer. In politics Adams was a Tory, and as such was received with favour at court by George III, who made him his official mathematical instrument maker, succeeding his father George Adams in the post. George III was personally interested in instruments and had Adams produce items for him exclusively, many in silver. These instruments now form a collection which is housed in London's Science Museum Royal collection Adams was also known for making globes, and for inventing the lucernal microscope, a type of projection microscope where the image is projected on a screen by a large oil lamp...

A George III gallery magnifying glass, the circular glass within a mahogany frame, the baluster handle screwing into a brass bracket in the rim, the handle with a brass collar. Engli...

Salesman size with rectangular top over two over three drawers, splayed bracket feet.