A concise glossary of terms used in Grecian, Roman, Italian, and Gothic architecture (1905)
Parker, John Henry, · J. Parker and Co., · leaf 334
tBfttttafo- 327 occasionally to be met with, but they are generallysmall The principal differences between the windows of thePerpendicular and the preceding style consist in the alteredarrangement of thetracery, the frequentintroduction of tran-soms, and the shapes oftho heads, which arevery often…