microscope (+ scientific research)

Micro-opname van de vezels in henneppapier

anonymous, c. 1890 - in or before 1900

Micro-opname van vezels in houtpulp

anonymous, c. 1890 - in or before 1900

Microscopische weergave van jateorhiza palmata

Léon Herlant, c. 1891 - in or before 1896