Vacuum flow and leakage measurements on the type ASF-V automatic wagon coupler. A report of tests carried out during June, 1956 (E-133)

The type ASF-V Automatic Wagon Coupler, as tested jointly by the Carriage and Wagon Department and the Research Department during May 1956, automatically couples the vacuum train pipe; the work is described in Report [text omitted as illegible].127. This report contains the results of some comparative flow and leakage measurements...