Refractor Polarimeter Physic Measuring Instrument Made by Steindorff & Co 1920s

Lippich polarimeter, scientifi instrument made in 1893 signed Societé Genevoise Genève, brass and black metal. It is an optical instrument of analysis used to determine the concentra...

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...

Scientific tool for demonstrating and assessing the refraction of light. Constructed in boxed metal with a square section, it consists of a horizontal...

This is an antique 2 draw telescope. An English, chromed brass terrestrial or astronomical refractor, dating to the late Victorian period, circa 1900. Perfect for bird watching, landscape appreciation, wildlife, or maritime observation. Equally suitable for observing the night sky. Supplied with a London Fine oak and brass 'Captain's Stand' for display. Of generous proportion when fully drawn, and neatly stowed in its own case Displaying a desirable aged patina, some light marks commensurate with use Leather covered primary barrel tanned in dark green with some light colour wear Polished draw tubes show bright silvered tones, lightly marked from gentle use Presenting a clear optical performance, with a 34mm (1.25") primary objective lens Lift-off dust cap to the objective, the flared eye cup...