Art without engineering is dreaming;
Engineering without art is calculating.

Steven K. Roberts, N4RVE

Historical Documents

Veterans Pedal Bicycle Built for Four

From the Philadelphia Public Ledger October 17, 1932 My father was Edward H. Roberts, and his dad was Chester Roberts… seated in the front of this quad cycle… This “quad” of long ago careened madly at yesterday’s reunion of the Veteran Wheelmen’s Association at the William Penn Inn at Gwynedd, propelled by (from left to…

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Gyroscopic Action - A Menace to Aviation

Gyroscopic Action – A Menace to Aviation

I was adopted, and my biological grandfather was an interesting fellow named Ralph M. Pearson. In his younger days, he was involved in aviation engineering, then traveled the Great Loop around the eastern US in a homemade boat before devoting his life to art. In his later years, he produced countless etchings (many with Southwest…

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Civil War Soldier Letter to Ebenezer Hafford re Lieutenant Courvoisier

I wish I could provide more context for this letter, which was in an envelope of Civil War papers in my father’s estate. I don’t know the family connection, but am placing it here on my server to preserve its contents. If you have additional perspective on the drama┬ádiscussed herein, or genealogical context (like this)…

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JH Potter Manufacturer of Mineral Teeth – 1848

A relic in the old family archives, posted here for its historical value. Text follows for the search engines… Resumption & Removal J. H. POTTER, Manufacturer of Mineral Teeth After a temporary absence, has RESUMED HIS BUSINESS, and REMOVED To No. 29 Sansom Street. Having a superior assortment of MINERAL TEETH, Gold and Tin Foil,…

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