A—Bottom Air Ixlet- B—Back Air Inlet. The usual openings through walls for the above box bases are:—Up to and including 9 sections, a 3?2 x 83^ inch opening: 10 sections andabove, 3H x 16 inch opening. If desired, we can supply these bases for radiators of 7 sections to 30 sections with a flange…
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![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-184-336.webp)
