Dolmen at the Craggaunowen Project in County Clare, Ireland. A dolmen, also known as a portal tomb, is a single chamber megalithic tomb. This dolmen c

---

Dolmen at the Craggaunowen Project in County Clare, Ireland. A dolmen, also known as a portal tomb, is a single chamber megalithic tomb. This dolmen consists of number of upright stones supporting a large flat capstone. This type of tomb dates from the early Neolithic period (4000-3000BC). They were usually covered by earth or smaller stones to form a barrow. They generally contained cremated remains and burial goods including pottery and flint tools.

---

Size: 5120px × 3413px
Photo credit: © SHEILA TERRY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 18th, boulton, business, century, design., engineering, engines, foundry, history, industrial, industry, james, manufacturing, matthew, newcomen, patents, power, revolution, soho, steam, technology, watt