Date   
phase contrast in a vintage scope By Ricardo Y. Tsukamoto · #4758 ·
camera adapting By Ricardo Y. Tsukamoto · #4725 · Edited
camera adapting By Ricardo Y. Tsukamoto · #4722 · Edited
Diatoms as occasional human food in ancient Japan ? By Ricardo Y. Tsukamoto · #4535 ·
Hello from Australia! #photo => anisole By Ricardo Y. Tsukamoto · #4417 ·
pleurax supply By Ricardo Y. Tsukamoto · #4296 ·
pleurax supply By Ricardo Y. Tsukamoto · #4293 ·
The beauty of diatoms By Ricardo Y. Tsukamoto · #4144 ·
centrifuge By Ricardo Y. Tsukamoto · #4124 ·
centrifuge By Ricardo Y. Tsukamoto · #4121 ·
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