A 1997 survey of historical astronomical drawings suggested that Cassini may have recorded an impact scar in 1690. Source: Internet
A board cover must be frequently cleaned to prevent graphite buildup from making new drawings dirty. Source: Internet
According to author Karl F. Friday, before the 13th century there are no written references or drawings etc. that show swords of any kind were actually used while on horseback. Source: Internet
According to the 2005 "Works Report" of the project's official website, drawings signed by Gaudí and recently found in the Municipal Archives, indicate that the spire of the Virgin was in fact intended by Gaudí to be shorter than those of the evangelists. Source: Internet
According to Rachael Hanel, "She lived off her savings, interest income from a trust, money from her parents, and selling her simple, Rubenesque line drawings." Source: Internet
According to a near-contemporary, when beginning to plan a composition, he would lay out a large number of stock drawings of his on the floor, and begin to draw "rapidly", borrowing figures from here and there. Source: Internet