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Building the Manhattan Bridge
[Reprinted from Cassier’s Magazine 1912. Article by Howard R. Commings] ONE of the most important among the vast number of great engineering structures recently built in New York City is the Manhattan Bridge. This crosses the East River about a quarter of a mile above the Brooklyn Bridge, and serves as another link to connect…
Read MoreSanta Monica Pier Design and Contstruction – The 100 Year Old Landmark
[Reprinted from an article in Cassier’s Magazine November 1909 titled “Concrete Pier Construction on the Pacific Coast. The new Reinforced-concrete Wharf at Santa Monica by H. H. Dunn] In view of the widely extending use of sand, lime and cement in construction, from the dwelling cast in moulds to the towering skyscraper knit together with…
Read MoreWashington Roebling Biography — Builder of the Brooklyn Bridge
[Republished from Cassier’s Magazine 1902]. AS an engineer Colonel Roebling’s first work was in assisting his father, the late John A. Roebling, to build the Allegheny Suspension Bridge. This was shortly after graduation from the Rensselaer Polytechnic Institute, at Troy, N. Y., in 1857. Since that time international fame has been his as builder of…
Read MoreBird’s Eye View of New York circa 1879
Bird’s Eye View of Washington DC circa 1869
Bird’s Eye View of Chicago circa 1892
1911 US Agricultural Production by State
Bleriot Company Advertising – Aircraft Prices 1910
Bleriot monoplane aircraft prices rose sharply between 1909 and 1910. The price of an airplane was 10,000 French francs in 1909, then rose to 12,000 that same year to then over 24,000 French francs in 1910. By taking the exchanged rate published in 1900 by Hachette of 5 French francs to 1 US Dollar and…
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