Dating porcelain shards
The composition of the clay prepared for the manufacture of ceramics, design, and the firing temperature, varied by period and culture.
Some items bear the mark, known as enigmatic marks, of their maker.
His interest in Asia's pottery and porcelain eventually lead to his search and excavation of numbers of ancient shipwrecks.
As a championship sailor Sten has extensive knowledge and interest in ancient maritime trade, ships designs and construction.
His meticulous documentation of a series of nine shipwrecks from the 11th to 19th centuries reveals the early dominance of Chinese trade ceramics, a subsequent loss of the Chinese monopoly in the late 14th century when Southeast Asian ceramics entered the market, the basic parameters of the Ming gap shortages of the 14th-15th centuries, and a resurgence of Chinese wares in the 16th and 17th centuries.
Just as important, Sjostrand freely shares the information from his discoveries.
Pottery specialists study the design, composition, and manufacturing of ceramic materials.
Researchers are welcome at his headquarters where he documents his finds and patiently answers the queries of others.
A lifetime’s experience with the sea and sailing allows Sjostrand to bring new understanding to ancient ship construction, and his voluminous reading allows him to set the ships and their cargoes in historical perspective.
While reading a book is always good, to be able to ask the author is better.
Included in all purchases of this book regardless of from which reseller you buy your copy, is one month (30 days) free membership in the Discussion Board where the author is a senior member.