1922 Cover Profilometer Public Roads Bicycle Springfield Illinois Highway SCA3 VN1 Alexandre de Bar

Alexandre de Bar

and was displaced by the Carnegie

This is an original 1875 black and white steel engraving of a portrait of Thomas Wentworth

This is a tiny original 1898 black and white print ad for the Hall's Megaphone from Thomas Hall & Son

1922 Cover Profilometer Public Roads Bicycle Springfield Illinois Highway SCA3 VN1 Alexandre de BarPlease note that this is a cover only. This is an original 1922 color cover for Scientific American featuring an image of two men using a profilometer, which was an instrument that was used to measure the roughness of the highways. It is shown here testing the roads near Springfield, Illinois. CONDITION This 89+ year old Item is rated Very Fine +++. Light aging throughout. Light wrinkling. No natural defects. No surface rub. No tears. No water damage.