Microscopes. Designation of microscope objectives - Chromatic correction1 Scope This part of ISO 19012 specifies classes of chromatic correction and defines minimum requirements regarding chromatic correction. The defined marking on the component enables the operator to correctly use the microscope. The standard application for visual observation refers to the combination of objective and tube lens as specified by the manufacturer. The specifications regarding chromatic correction only refer to axial chromatic aberration.

and guidance on how to manage the risks associated with vehicles within the workplace

The requirements and related tests of this European Standard cover: classification

What is BS 811 - British standard cycle threads about

It also specifies independence criteria

Who is BS EN ISO 3506-1:2020 for

BS 978-3 is the third part of the BS 978 multi-series and applies to machine cut conical gears

ISO 4063 on welding and allied processes is useful for:

BS EN 16893 is also intended to help them define the specifications necessary for the construction or modification of buildings such that they can safely house collections

Solar collectors

What is BS 8103-1- Structural design of low-rise buildings about

The carbonation process begins with the penetration of carbon dioxide through concrete pores which eventually leads to corrosion of the reinforcement

More types of drills and impact drills covered