44 tubes ordered in June 1999.
the first 9 tubes delivered on July 1.
The order fulfilled, all tubes have been delivered.
Six tubes (ZH5128 thru ZH5139) were brought to US by hand
in July 1999.
Most of the rest of the tubes (34) were shipped from Tsukuba to FNAL
on Nov 5, 1999,
and subsequently to Penn for assembly as of Dec 1999.
Thus, 40 tubes have been sent to the US; the four tubes are kept
at Tsukuba as "reference" tubes.
Last modified: Mon Mar 6 12:59:34 JST 2000