Ophthalmic instruments. Indirect ophthalmoscopes1 Scope This International Standard, together with ISO 15004 1 and ISO 15004 2, specifies minimum requirements and test methods for hand held, spectacle type, and head worn indirect ophthalmoscopes for observing indirect images of the eye fundus. This International Standard takes precedence over ISO 15004 1 and ISO 15004 2, if differences exist. This International Standard is not applicable to condensing lenses used for indirect ophthalmoscopy or to

health centers

BS EN 10365 specifies the nominal dimensions and masses of the hot rolled steel channels

This document is intended to aid the operators of X-ray photoelectron spectrometers in their analysis of typical samples

capacitors to be used for fluorescent and discharge lamps (IEC 61048 and IEC 61049)

designated S2A or S2B

A list of the main acronyms used is given in Annex A

This British Standard supersedes BS 7911:1998

flame and projectile protection

Contents of BS 1726:

protecting both construction workers and the general public

There shall be no irregularities that could cause injury

tidal and other water current energy into electrical energy