Ash & Son, Makers , Bull St Birmingham , circumféromètre , alidade , à pinnules , niveaux à - Graphometer - Brass - 1880-1890

An old graphometer with brass alidade signed Ash & Son, Makers, Bull Street Birmingham, probably made in the second half of the 19th century. This professional surveying and topographic instrument is equipped with a large graduated circle, an alidade fitted with sight pinnules, built-in spirit levels and leveling screws to ensure precise adjustment in the field. Its brass construction, finely engraved graduations and precision mechanism testify to fine British workmanship. Presented with its old wooden case with brass fittings, it makes an interesting piece for a collector of scientific instruments, geodesy, surveying, or antique technical decoration.

graphometer, circumferometer, surveying instrument, surveyor, alidade, pinnules, graduated circle, bubble level, solid brass, brass scientific instrument, antique scientific instrument, precision instrument, Ash & Son, Bull Street Birmingham, Victorian, England, wooden case, scientific collection, technical instrument, 19th century, cabinet of curiosities, industrial decoration.

Highly sought after in the world of industrial design, scientific curiosities, old medical technology, laboratory optics, steampunk, and rare measuring instruments.
Ideal for a collector, industrial loft decoration, cabinet of curiosities, scientific display case (theodolite, microscope, sextant, compass).