IS 7858 : 1991 Surgical microscope - Specification

1 Scope

1.1 This standard specifies the requirements for surgical microscope used forobservation of interior areas while performing surgical operations undervariable magnifications.

2 References

IS 210 :1978Grey iron castings

IS 617 :1975Aluminium and aluminium alloys ingotsand castings for general engineeringpurposes

IS 1570 : Part 2 : Sec 1 : 1978 Schedules for wrought steels :Part 2Carbon steels (unalloyed steels),Section 1 Wrought products (other thanwire) with specified chemicalcomposition and related properties

IS 1570 : Part 5 :1985Schedules for wrought steels : Part 5Stainless and heat resisting steels