1922 Cover Profilometer Public Roads Bicycle Springfield Illinois Highway SCA3 YTG5 complete with obelisk

complete with obelisk

This is an original 1945 color print portrait of Bernard Feustmann Gimbel

scrubbing floors

John Biggers

1922 Cover Profilometer Public Roads Bicycle Springfield Illinois Highway SCA3 YTG5 complete with obeliskPlease 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.