Mirror Galvanometer Made of Wooden Oak

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...

Vertical mirror galvanometer made in 1850 circa, oak and glass, three adjustable screws at the base. Tool constituted by a magnet bar movable inside a coil and connected to a needle. In the absence of current the needle is positioned vertically while when the coil is crossed by the current it creates a magnetic field that moves the needle. This type of galvanometer was used for measurement of insulation of telegraph cables...

Nautical magnetic compass, made in the USA in the 1930s. Bon état. Housed in its original box with wooden slot lid and mounted on gimbal. Box measures 12x12x8.5 cm - inches 4.8x4.8x...

Magnetic topographic compass, of oak and brass; instrument consisting of a magnetized needle free to rotate on a horizontal plane, marking with the tip of the needle the direction of magnetic north, compass card with eight winds complete with goniometric circle divided into 360 °, complete with the compass needle lock. Italian manufacture of the late 19th century. Very good condition. Measure 3.1x3.1 height 1. Shipping is insured by Lloyd's London; our gift box is free (look at the last picture). The invention of the compass is mysterious but it is well known that magnetite was discovered in Magnesia, a city of Asia Minor. We can find the first indications about the use in Europe of the magnetic force for orientation at the end of the XII century...

Didactic flower, German manufacture of 1860 circa, depicting Marchantia Polymorpha L., made of painted plaster on a wooden base; the seed is removab...

Second half of the 19th century half-hull of an English schooner wooden planking nailed and mounted on ebonized wooden board. Good condition, board measures 100x 13x21 cm - inches...

A 1950s Spanish Mid-Century Modern educational D'Arsonval galvanometer manufactured by the Leonardo Torres Quevedo Institute in Madrid. Model MA 54-04. The wood and glass structure s...

Original 17th century renaissance confessional from Vicopisano in Tuscany. Made of solid oak. It is a confessional that can be entered from both sides. In the middle is the place ...

Original, Vintage, American Made, Wooden Snow Sled / Toboggan. Bring the whole gang with you on this sleigh ride! The seat is 142" long with the original p...

This turned commemorative oak bowl is of deep cylindrical form applied with a silver shield-shaped plaque inscribed ‘H.M.S. Royal George. (108 Guns) Capsised 29th Augst. 1782. This P...

Superb 20th Century pond yacht known as "Sea Mist". This J Class beauty showcases a meticulously crafted planked wood hull, adorned with gaff rigging supporting four sails, alongside...

This very fine meticulously constructed wooden scale model copies the design of a late 18th or early 19th century full sized working example. It dates to circa 1920. This cart is we...