A photograph of a photocopy of a page from a booklet called Flint Implements, published by the Trustees of the British Museum in 1956, price, four bob and a tanner. Arma antiqua manus, ungues, dentesque fuerent / Et lapides, et item silvarum fragmina rami. Learn this dedication (Lucretius, De Rerum Natura, V. 1282) by rote and note the caption under the illustration. This is good info for BACKING UP.