She stared at the charts again.
We moved to Howie's office where she spread out the charts and papers.
The statistical work includes compiling abstracts, memoranda, tables and charts relating to the trade and industrial conditions of the United Kingdom, the colonies and foreign countries, the supervision of the trade accounts, the preparation of monthly and annual accounts of shipping and navigation, statistics as to labour, cotton, emigration and foreign and colonial customs, tariffs and regulations.
Charts of this description are first mentioned in connexion with the Crusade of Louis XI.
Marco Polo mentions such charts; Vasco da Gama (1498) found them in the hands of his Indian pilot, and their nature is fully explained in the Mohit or encyclopaedia of the sea compiled from ancient sources by the Turkish admiral Sidi Ali Ben Hosein in 1554.1 These charts are covered with a close network of lines intersecting each other at right angles.