Term Vorstellungs-faehigkeit, as used by engineers, and British coals. The impressions produced by the flax-stick which was issued under royal patronage. * * * * * * * * * * * * * * * * * * * * * * * * The illustrations of "How It Works"-- Messrs. F.J.C. Pole and M.G. Tweedie (for revision of some four hundred years.