A concise glossary of terms used in Grecian, Roman, Italian, and Gothic architecture (1905)
Parker, John Henry, · J. Parker and Co., · leaf 160
narrow boards, placed horizontallyand sloping, and at a little distanceapart, so as to exclude ram andsnow without* impeding the pas-sage of the smoke. When, as wasformerly by no means uncommon,fires were made on open hearths,without flues for the conveyanceof the smoke, louvres were…