Galvanometer Antique Measuring Instrument Used for Telegraph Cables 1850 circa

Moving coil brass galvanometer with three-screw base, instrument signed Philip Harris Ltd Birmingham England n. 19402, made in the early 1900, a tool used as a detector of direct cur...

La Filotecnica Ing A. Salmoiraghi Milan Centesimal tacheometer 133 b normal N. 55858 Catasto Italiano model of the second half of the 19th century, of burnished brass, complete with ...

Scales for babies made of cast iron with depictions of flowers. The scale is equipped with a double scale: on one side from 0 to 15kg, on the other side f...

Stick barometer mounted on a mahogany board complete with vernier reading the variation of atmospheric pressure signed by Jesse Ramsden, end of the 18th century. Very good condition...

Barometer complete with clock signed F. Somalvico N ° 11 Brook Str. Holborn London datable between 1810 and 1820. Finely crafted mahogany wood case with cedar wood edges. Large silve...

Sand hourglass, brass container with circular base and tapered columns in the center and blown glass cruet. Duration 45 minutes. English manufacture of the early 1900s. Measures height 20 cm, diameter 11.5 cm – 7.9x4.5 inches. Shipping is insured by Lloyd's London; our gift box is free (look at the last picture). In Greece, the use of hourglasses was introduced in 325 BC, in the form of stone containers with a truncated cone shape that let water flow out of a hole in the bottom at a constant rate. Other hourglasses were cylindrical or cup-shaped and were slowly filled by a constant flow of water. Some signs on the inner surface of the container indicated the passage of hours as the liquid level rose. Another version consisted of a metal container with a hole in the bottom which, placed to float in a larger container, sank in a given time. This system remained in use until the 20th century in North Africa. These clocks were typically used at night, but not during the day, when the more accurate sundials were available. In the first half of the III century BC. Ctesibius transformed the hourglass into the more complex water clock. Various mechanisms were introduced by him and others to increase the precision of the watch by regulating the pressure and keeping the flow of water constant, but also to offer a better display of the time. The most advanced specimens could ring bells or gongs, open windows to display images, or had movable indicators, dials or representations of celestial bodies. Among the designers of watches...

The automata is house shaped. The front part shows a clock, A semi circular window as a door. The top flue of the fire place is the place where drop the weigh...

This 19th-century walking stick from northern China is comprised of a length of thin bamboo that has been steamed and bent into a hook shape. The bamboo segments are painted in alter...

Beautiful set of four antique Bilboquets from France,around 1920, cup-and-bowl children toys in turned Beechwood, dark tinted, pretty patina, a set full of charm and authenticity ...

Carved wood Krishna figure with detailed feathers and form. Simple and peaceful. free shipping.

A beautiful antique bible from Scandinavia in the year 1810. The cover are probably even older, possibly late 1700s. Works perfect as a Wabi Sabi decoration element to give the r...

Ten carpet balls crafted in stoneware, decorated and glazed in several different colors and designs including a white cue ball.