" BL " Ancien thermomètre électrique de précision à cadran analogique

An antique precision electrical thermometer with an analog dial, by the BL brand, dating probably from the mid-20th century, around 1950-1970. This professional scientific instrument was designed for measuring temperatures using a Pt100 resistance probe, notably in laboratories, workshops, and industrial facilities. It has a large dial graduated in degrees Celsius with two measurement scales, a black case, three adjustment buttons, and electrical connection terminals. The dial bears the marking « Sonde Pt 100 Ω », the BL logo, and the reference 6156500. The set is presented in its wooden transport case with a metal closure. Beautiful vintage scientific instrument showing signs of use and a patina tied to its age. Overall condition in line with the photographs; operation and accuracy not verified. Temperature probe not visible among the accessories shown. Very sought-after in the world of industrial design, scientific curiosities, vintage medical technology, laboratory optics, steampunk, and rare measuring instruments. Ideal for collectors, industrial loft decoration, cabinet of curiosities, scientific display case (theodolite, microscope, sextant, compass).

Estimation:€110

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