References in periodicals archive ?
At the ends of the roof structure has a choice about the cripple collar beam level.
This flintstone former infirmary, (whose well-preserved roof with its collar beams is considered one of the finest examples of 14th-century craftsmanship in this part of England), had seen service as a schoolroom and a barn.
Two, two-by-six inch collar beams crossed at right angles some nine feet off the floor tying four of the hip rafters together.