1 Largest stones over 40 tons were moved 18 miles (29 km), smaller bluestones up to 5 tons were moved 130 miles (210 km). 2  Trajan's column Rome, Italy. 3  Forty-ton drums. 4  The capital block of Trajan's Column weighs 53.3 tons.
37 Million Blueprints Are Printed Every Year. Before construction begins on a job site, blueprints will be printed and re-printed numerous times over by architects, project managers, building owners, engineers and contractors. Our local repographics shop gets an average of 35 print requests a day from this crowd.
A blueprint used to consist of white lines on a blue background. A more recent process uses blue lines on a white background. The term blueprint is usually used to describe two printing methods, the blueprint and the diazotype.Blueprinting is the older method, invented in 1842. The drawing to be copied, drawn on translucent paper, is placed against paper sensitized with a mixture of ferric ammonium citrate and potassium ferricyanide.lueprinting is the older method, invented in 1842. The drawing to be copied, drawn on translucent paper, is placed against paper sensitized with a mixture of ferric ammonium citrate and potassium ferricyanide.