Vintage Quarz Test Piece for Refractometer calibration – Adam Hilger

Vintage Quarz Test Piece for Refractometer calibration – Adam Hilger

Stock Number: 35-4158

GBP 42.00

Vintage Quarz Test Piece for Refractometer calibration for sale - Adam Hilger

Dimensions

22.5mm long

Circa

1920

Country of manufacture

UK and Ireland

Categories: Scientific, Mineralogy & Gemmology

Description

A quartz test piece in a small card case, used as a standard to calibrate refractometers. The label reads  ND = 1.54426. Inside the case is a label for Adam Hilger. The quarz measures approximately 22.5 x 10 x 2.5mm

Ask the Dealer

Item enquiry

To enquire about this item, complete the form bellow to send a message to the Dealer

Enter Email
Confirm Email
Sending

Dealer information

GB Ganymede Antiques

Ganymede Antiques

Ganymede Antiques, established in 1992, is based in Muswell Hill, London, U.K. We specialise in scientific instruments from the 18th and early 19th centuries, with particular interest in sundials, and drawing and calculating instruments. We are always keen to buy interesting instruments, and entire collections. We exhibit at the twice yearly International Antique Scientific Instrument Fair in London. Keith Petts can be contacted at keithpetts@ymail.com

Shipping information
Payment methods
Terms & conditions