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Polystyrene molecular weight standards

Viscometer calibrating liquids, CGS or Saybolt units
Glass viscosity standards

Color standards for spectrophotometer-tristimulus integrator systems
The ISCC-NBS centroid color charts

Standard colors for kitchen and bathroom accessories

Paint pigment standards for color and tinting strength
Phosphors

Light-sensitive papers

Internal tearing resistance standard paper

Microcopy resolution test chart

Glass spheres for sieve calibration

Turbidometric and fineness standard

Surface flammability standard

APPENDIX C

FEE LIST

(As of October 1965)

The following tabulation lists the fees that have been established for measurement services described in the schedules that make up the main text of this publication. The items included here are identified in the schedules by a single asterisk (*) in the Fee column.

For further information on NBS policy in regard to fees, see Part 200 above, especially sections 200.110 and 200.111, and the various sections with the title "General" (see Contents).

Items carrying the suffix "z" are automatically excluded from the list, since these services, and consequently also the fees for them, vary according to the requirements of the individual case, as agreed upon in advance by the client and the NBS laboratory concerned.

Also omitted are fees for electrical measurement services in the high-frequency and microwave regions. Concerning these, see schedules 201.800 and 201.900, above.

Revisions of this list will be made from time to time and it is planned to publish them separately. Purchasers of the present publication can receive the up-dated fee lists without charge by sending in the post card provided below, on last page.

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If the correction is + the true temperature is higher than the indicated temperature; if the correction is – the true temperature is lower than the indicated temperature. To use the corrections properly, reference should be made to the notes marked by asterisks on the reverse of this sheet.

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up to 102 °C and For a discussion of accuracies attainable with

such thermometers see National Bureau of Standards Circular 600*Calibration of Liquid-in-Glass

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