Muirhead & Co. Ltd. di Westminster Ponte di Resistenza - Transformer (1)

Resistance Bridge or Brass Resistance Box, produced by the renowned British manufacturer Muirhead & Co. Ltd. of Westminster, as indicated by the inscription with the number 31404. The instrument features a typical brass construction for precision scientific instrumentation from the early 20th century, with a spined insert ring for selecting fixed resistors and terminals for the Slider Resistance and Plug Resistance. Originally used for the measurement and calibration of electrical resistances, this piece is an excellent example of engineering history and a sought-after collectible for vintage scientific instrument enthusiasts.
Good condition, see the photos.

Dimensions
height 13 cm
width 17 cm

Traceable shipment

Observe all the photos that show all the details and the condition of the lot in auction; therefore, I will accept a possible return only and exclusively based on European regulations and not for non-conformity, as you will be sent exactly what you see.