air lock is what the space between two sets of doors is called in reference to architecture.
what is the space between two sets of doors called in reference to architecture?
air lock
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an expanded, eleven disc set was available for preorder in both a limited edition tardis packaging and in a standard clamshell packaging from 25 april 2014. the pre-order for the tardis packaging version ended on 9 may 2014, and the pre-order for the clamshell packaging version ended on 16 may 2014. both eleven disc versions were scheduled for release 25 july 2014. however, in an email sent 14 july 2014 to customers who had ordered them, silva screen stated that production delays meant that the revised delivery date would likely be the end of november. then in an email sent 15 july, it was announced that the standard clamshell eleven disc set would be released 15 september 2014, with the tardis set still expected at the end of november. however, an email sent 5 september announced that a printing error necessitated a reprinting of the clamshell release, with the release date being pushed back to 29 september.
doctor who: the 50th anniversary collection