Cased Hypsometer by Cary of London

This Cased Hypsometer, produced by the esteemed Cary of London, is an intriguing scientific instrument dating back to circa 1890. It features a leather carry case that houses a compact ensemble of components including a spirit burner, a water vessel with a telescopic jacketed column, and two thermometers with varying scales. Designed to measure elevation through atmospheric pressure, this hypsometer is an exemplary piece of late 19th-century craftsmanship from England. The outer black-painted, two-part canister facilitates steam circulation, ensuring precise measurements. All elements are meticulously arranged for convenient storage, making it a practical travel companion for explorers and scientists of the era.

Condition Report

The Cased Hypsometer is in good condition, with wear consistent with its age and use. The leather carry case shows signs of wear typical for an item of its vintage. The spirit burner and water vessel exhibit minor surface blemishes but remain functional. Both thermometers are intact, though some fading of the scale is evident, likely due to age. The black-painted canister retains most of its original finish, with slight chipping at the edges. Overall, the piece is well-preserved, with all components securely fitted within the case, indicative of light and careful use over the years.

Dimensions

Weight: 1000gm, Length: 9cm in case, Width: 7.5cm in case, Height: 22.5cm in case.

A Scientific Tool for Measuring Elevation

The primary function of this hypsometer is to measure elevation by employing atmospheric pressure. This instrument was invaluable to scientists and explorers who needed accurate altitude readings. By heating water to produce steam, the temperature at which the water boils can be measured, allowing for the determination of atmospheric pressure and, consequently, elevation. This method was especially useful in regions where barometric readings were unreliable or unavailable, providing a practical solution for accurate geographic and topographic studies.

Victorian Precision in Instrument Design

This hypsometer is a fine representation of Victorian scientific precision and innovation. The period was marked by significant advancements in scientific instruments, with an emphasis on accuracy and functionality. The use of durable materials like metal and leather in its construction demonstrates the Victorian focus on longevity and practicality. The compact design reflects the era's ingenuity in creating portable devices for fieldwork, catering to the needs of researchers and enthusiasts who valued precision in their scientific pursuits.

The Craftsmanship of Cary of London

The Cased Hypsometer is a testament to the craftsmanship of Cary of London, a renowned maker of scientific instruments in the 19th century. Known for their precision engineering, Cary's instruments were sought after by scientists and explorers alike. Their products were characterised by meticulous attention to detail and robust construction. This hypsometer exemplifies Cary's commitment to quality, featuring carefully calibrated thermometers and a well-constructed canister for steam circulation, ensuring reliable and accurate performance in diverse conditions.

Collected by Enthusiasts of Scientific Instruments

Antique scientific instruments like this Cased Hypsometer are prized by collectors and enthusiasts. These items offer insight into the history of science and exploration, reflecting the technological advancements of their time. Collectors are drawn to the intricate design and functional elegance of such instruments, often seeking them for their historical significance and the craftsmanship they represent. This particular piece, with its well-preserved condition and association with Cary of London, holds particular interest for those passionate about the evolution of scientific tools.