Dating historical house construction
Radiocarbon dating is based on the element carbon, the basis of all life on earth. The number of cores required will depend upon the complexity of the structure, but some ten cores per building phase is preferred. The datestone has to be treated with the same critical eye as the rest of the building.
Map evidence can be crucial and the Ordnance Survey is always the best place to start, comparing the various editions. Each method has a distinct role in the investigation of historic buildings. Nail Form and Function at the Tellico Blockhouse.
They assemble evidence and interpret it. It should give an analysis of how a building has developed as well as a description. If this were so, the width of the annual growth rings would show changes in synchronism with the sunspot numbers.
Samples from a building for radiocarbon dating should be taken with care and due regard to provenance. But the absence of a reference does not mean that none exists. There are many topographical records and photographs. Samples such as leather, cloth, food residues or straw represent a year's growth and so a point in time.
Then there is Pevsner, of course, the inimitable series of county by county guides to the buildings of Britain. He established a laboratory in the university of Arizona, at Tucson, to study tree-rings. She was not going to go through the trouble of calling attention to the fact that she was going out with a black guy. So it will be seen that seasons that are hot and dry as well as those that are cold and wet will produce a narrow ring so that such a ring is not diagnostic of the weather. Few lists are as detailed as that for Barrow-in-Furness where many entries give dates and attributions from the local building act plans.
Evidence from Nail Analysis. Unfortunately, after many years of analysis he was not able to confirm the correlation he sought. Owners may have title deeds and these should be examined. In its most common form it may shed light on the age of fired clay and quartz based materials but approaching the present no closer than about a thousand years.
Recently this method has been improved. Major buildings are usually easy to date.
The rise of a specialist role of architectural historian has gone hand-in-hand with the growth of the conservation movement over the last half-century. The process of dating, like all other research into architectural history, is interactive between the building and the documents. The method relies upon the response of trees to the weather during the growing season, which runs from March to October. But the idea that the author decided to put white males on a pedestal above black men without considering the challenges of being black in America had me fuming. These will not necessarily help to date a building, though they may establish limits before or after which changes have taken place.
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