Featured in the EXARC Journal

Ancient Technology

Experiments with Lime Mortars containing Charcoal and Ashes

Author(s)
Αntonis Vlavogilakis
Publication Date
We encountered a number of cases in the published archaeological studies where ashes and charcoal were used as aggregates in ancient lime mixtures. These mixtures were tested in a small number of experiments, and this paper presents the results. Our tests confirmed that charcoal retains moisture and can be used to help mortars retain water. It does not, however...

The Little Bowl That Could! Experimental Iron Smelting in a Bowl Furnace

Author(s)
Y. A. Marks
V. Lucas
D. O’ Frighil
Publication Date
The bowl furnace has been a somewhat neglected topic in the early history of iron making, often overshadowed in experimental work by the shaft furnace. This assessment attempts to re-evaluate the position of the bowl furnace in early iron-making - firstly by looking at how it is regarded in scholarly literature, and secondly, through an experimental reconstruction programme...

Acutus’ Eagle Bone and Two Bone Tubes with Holes Found in A Roman Fleet Base in The Netherlands - About Signalling Whistles and Animal Calls

Author(s)
Annemies Tamboer
Publication Date
At the location of a former Roman military fort and fleet base existing from AD 15-28 in Velsen, The Netherlands, more than 3000 bones and bone fragments were excavated. Three of these can be interpreted as musical instruments. Two bone tubes, of a roe deer and a stork, are provided with one and three holes respectively, on the third, a length of an eagle wing bone with one joint removed...