103. Microscopical photograph of a water mite by Henry Taverner, c. 1905

As with the first invention of photography 70 years earlier (see Item 65), the introduction of viable colour processes was quickly applied to photography through the microscope. Henry Taverner was a Fellow of the Royal Microscopical Society and uses here the Sanger Shepherd process.

Standard glass lantern slide size 33 x 33 inches (82 x 82 mm).