Public entrance doors

Public entrance doors

4.11 - 1251 ratings - Source

They are quite interested and two or three of them, at the present time, are working on developments along that line. We see a ... I am sure much study as to what constitutes a safe and efficient sliding door, including even automated types will be done in the near future. ... We would like to have a by- pass stacking arrangement at the end of the track operated by means, preferably, of automatic switches.

Title:Public entrance doors
Author:National Research Council (U.S.). Building Research Institute
Publisher:National Academies - 1961


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