ils. We are not able at the present time to fix
these limits, but our ultimate object will be to determine and fix
such limits for the specifications.

"With reference to the amount of discard, time of holding in ladle,
size of nozzles, and other such details of manufacture or
machinery, we are of the opinion that the physical and chemical
tests required should be prescribed, and that we should see that
the material submitted for acceptance meets the prescribed tests.
We should not dictate to the manufacturers the amount of crop which
shall be removed from the top of the ingot, as this should vary
with the care and time consumed at the various mills. The railroads
should not be asked to take anything but sound material in their
rails. The mills can furnish such sound material if the proper care
and sufficient time are taken in the making of the ingots.
Information derived from the tests being made at the Watertown
Arsenal shows definitely that sound rails cannot be made from
unsound ingots, and that, therefore, the prime requisite in
securing a sound rail is to first secure the sound ingot.

"We recommend that the present Specifications for Steel Rails be
withdrawn from the Manual of Recommended Practice of the
Association, as no longer representing the current state of the
art.

"We submit herewith, as Appendix 'A,' a form for specifications. It
will have to be amended from time to time as we receive further
information on the subject."

The specifications referred to above were modified and presented at the
Meeting in _Supplement to Bulletin No. 121_, of March, 1910, and in this
final form are attached hereto.

These specifications do not represent the work of any one Society or the
work of any one Committee, but are the result of all the work of the
different Societies, as the members of all are so interwoven that
whatever work is done in any one Society, or by the Committee of a
Society, has very naturally and fortunately been carried into the
others.

At the Chicago Meeting these specifications were accepted without a
single change, and this is very unusual and shows how generally
acceptable they were, as the members of all Rail Committees were present
at the Meeting. The main points in this specification were discussed and
agreed upon by the members of the Committee and the Rail Committee