Turnbull N.
Bibliographic info:
Energy Manager vol.6 no.1 1983 p41 3 figs #DATE 00:00:1983 in English 674

Describes Schlegel's test chamber for measuring air and water infiltration around doors and windows. This can record infiltration at any point around the frame to high light the exact source of a leak. This is used to test the company's own draughtproofing and weathersealing products and is available to door and window manufacturers for development work.