Excerpt from Preliminary Investigations of Storage Battery Locomotives: Specifications Laboratory Tests Permissible Schedule
The manufacturers manifested willingness to cooperate further and suggested, as considerable time had intervened and commercial conditions had changed,... that another conference be held and the whole subject be carefully reconsidered. This conference was held at the Pittsburgh experiment station of the bureau July 29, 1919.
Preceding the conference, the bureau incorporated the second draft of Specifications in the standard form of a permissible schedule in order that the conferees might discuss the proposed schedule and decide whether or not the bureau should attempt to establish a per missible list of storage-battery locomotives along, the same general lines that had been followed in approving certain other equipment for use in gaseous mines.
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