Frustules - two views - magnified

الوصف:

Longitude (deg): -3.1. Latitude (deg): 51.9. Longitude (deg/min): 3° 10' W. Latitude (deg/min): 51° 60' N. Vice county name: Brecon. Vice county no.: 42. Country: Wales. Identified by: Malcolm Storey. Comment: copious woolly deposit on rocks in hill stream. Category: microscope photograph. Image scaling: magnified. Photographic equipment used: Canon EOS10D dSLR and Meiji microscope with x2.5 projection eye-piece. DPI defaulting to 72.