Arrangements for supporting by hand, e.g. lorgnette; Arrangements for supporting by articles

Introduced: September 1968

Last revised: January 2006

Full Title

Special supporting arrangement for lens assemblies or monocles > Arrangements for supporting by hand, e.g. lorgnette; Arrangements for supporting by articles

Classification Context

Section:: PHYSICS
Class:: OPTICS
Subclass:: SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES