Seller:houseofvega✉️(2,320)100%,
Location:Newcastle Under Lyme, Staffordshire, GB,
Ships to: AMERICAS, EUROPE, ASIA, AU,
Item:222594942334POLARISCOPE (POLARISATION) C1860 { Glass Blocks } Mahogany & Brass { Rare }. A Rare solid glass block POLARISCOPE. This example dates from the 1860's and consists of 2 dense glass blocks mounted in a black lacquered brass frame. Light is reflected from the substage block up through the table and second block can be rotated and angled in its frame work The instrument is mounted on an ornate turned Mahogany base. The circumference of the table can be rotated 360 Degrees and is engraved at 45 Degree Intervals. Both glass blocks are original and undamaged. The instrument is used to demonstrate polarised light or analyse using polarisation. Height = 13.25 Inches Mahogany Base Diameter = 8 Inches