Description
A large certified precision ruled diffraction grating by Bausch & Lomb of Rochester, New York.
600 grooves / mm
Blaze angle 28 degrees, 41 minutes.
Radius concave
Serial number: 889-8-1-3
Catalogue number 35 53 12 55
Width: 20 cm.
Depth: 8 cm.
Height: 17.5 cm.
(window: 10 x 13.5 cm).
Ask the Dealer
Dealer information
Hatchwell Antiques
Hatchwell Antiques is based at 533 King's Road, Chelsea, London.
www.hatchwellantiques.co.uk
[email protected]
Members of LAPADA, BADA & CINOA.