A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Determination of ISO colour contribution index (ISO/CCI) of camera lenses
Camera accessory shoes and feet
Tripod connections for cameras
Photographic lenses -- F-number marking
Picture sizes for still cameras
Microscopes -- Screw threads for objectives and related nosepieces
Readers and reader-printers for transparent microforms
Microfilming of documents on 16 mm and 35 mm silver-gelatin type microfilm -- Operating procedures
Portable microbe imaging scope
Ophthalmic optics -- Spectacle frames -- Measuring system and terminology
Welded joints for spectacle frames
Tipping bucket rain gauges
Liquid-in-glass thermometers for testing of petroleum products
Optical polygons for angle standards
Geometrical Product Specifications (GPS) -- Acceptance and reverification tests for coordinate measuring machines (CMM) -- Part 1: Vocabulary
Geometrical product specifications (GPS) -- Acceptance and reverification tests for coordinate measuring machines (CMM) -- Part 2: CMMs used for measuring linear dimensions
Geometrical Product Specifications (GPS) -- Acceptance and reverification tests for coordinate measuring machines (CMM) -- Part 3: CMM's with the axis of a rotary table as the fourth axis
Geometrical product specifications (GPS) -- Acceptance and reverification tests for coordinate measuring systems (CMS) -- Part 5: Coordinate measuring machines (CMMs) using single and multiple stylus contacting probing systems using discrete point and/or scanning measuring mode
Geometrical Product Specifications (GPS) -- Acceptance and reverification tests for coordinate measuring machines (CMM) -- Part 6: Estimation of errors in computing Gaussian associated features
Geometrical product specifications (GPS) -- Acceptance and reverification tests for coordinate measuring systems (CMS) -- Part 8: CMMs with optical distance sensors
Instruments for the assessment of departure from roundness -- Measurement of variations in radius
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