Velocipedes - Public domain portrait drawing
Summary
Drawing of various antique bicycles, or "velocipedes" as they were then called, from an 1887 German encyclopedia. Alterations to image: removed brown age discoloration from left side of image by subtracting smoothed copy of discoloration from image using GIMP, converted to 32 greyscale PNG format.
Tags
Date
1887
Source
Google Books
Copyright info
public domain