17 various forms arranged in the Möller style (with diatoms at the four corners). Prepared by Emiliano Bellotti. Mounted in Naphrax and dated 2024. Olympus BHB microscope using 450nm LED light. Wider field of view was a single frame using a 10x Nikon Plan Apo NA 0.45 objective, with a Leitz Heine Condenser set to darkground. View of the main part of the arrangement done using a 20x Nikon Plan Apo NA 0.65 objective. Olympus Aplanat Achromat condenser, brightfield lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 40 images stacked in Zerene (Pmax).