LEGAL

NOTICE

This report was prepared as an account of Government sponsored work. Neither the United

States, nor the Commiasion, nor any person acting on behalf of the Commission:

A. Makes any warranty or representation, expressed or implied, with respect to the accuracy, completeness, or usefulness of the information contained in this report, or that the use
of any information, apparatus, method, or process disclosed in this report may not infringe

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B. Asaumes any liabilities with reapect to the use of, or for damages resulting from the
use of any information, apparatua, method, or process disclosed in this report.
As used in the above, “person acting on behalf of the Commission’’ includes any employee or contractor of the Commission, or employee of such contractor, to the extent that
such employee or contractor of the Commission, or employee of auch contractor prepares,
disseminates, or provides access to, any information purauant to his employment or contract

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privately owned rights; or

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with the Commission, or hia employment with such contractor.

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This report has been reproduced directly from the best

available copy.

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house for Federal Scientific and Technical Information, Na-

tional Bureau of Standards, U. S. Department of Commerce,

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