Brücke achromatic magnifying glass with engraved linear reticle
Portable scientific instrument — 19th century
Used in ophthalmology, surgery, dissection, histology, botany and mineralogy.
Brücke achromatic magnifying glass with engraved linear reticle
19th-century portable scientific instrument
Used in ophthalmology, surgery, dissection, histology, botany and mineralogy
Foldable brass scientific magnifying glass, Brücke type, equipped with achromatic optics and a linear reticle engraved directly into the glass.
The reticle, composed of superimposed parallel lines forming a scale, allows for comparative observation and dimensional estimation of fine structures.
The instrument unfolds using sliding tubes.
The eyepiece is made of black-painted brass, characteristic of scientific laboratory instruments from the second half of the 19th century.
Carefully crafted, with no visible markings.
Used in histology, botany, mineralogy and physiology, this magnifying glass was used for rapid examination and relative measurement of fibres, striations, veins and other structures, often in conjunction with a microscope.
Material: brass
Optics: achromatic to avoid aberrations due to magnification
Reticle: linear scale engraved in the glass
Mechanism: foldable with telescopic tubes
Condition: good antique condition, patina from use
Circa 1860–1890
Authentic 19th-century scientific instrument, somewhere between an achromatic magnifying glass and an optical measuring tool.
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Brücke achromatic magnifying glass with engraved linear reticle
Portable scientific instrument — 19th century
Used in ophthalmology, surgery, dissection, histology, botany and mineralogy.
