Italian Campani-Style Microscope (circa early 1700s)


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Urocentrum (Protozoa) Movies

Urocentrum Video No. 1 - A Urocentrum organism revolves, the motion carrying it slowly across the microscope field; under darkfield illumination at a magnification of 200x with a playing time of 15.3 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (2.48 MB).

Urocentrum Video No. 2 - A Urocentrum organism twists in its characteristic movement as other microorganisms swim by; under phase contrast illumination at a magnification of 200x with a playing time of 28.7 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (4.38 MB).

Urocentrum Video No. 3 - A revolving urocentrum, the whirling dervish of the microscopic world; under darkfield illumination at a magnification of 200x with a playing time of 10.6 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (1.99 MB).

Urocentrum Video No. 4 - A close-up view of a revolving urocentrum; under darkfield illumination at a magnification of 400x with a playing time of 16.2 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (2.68 MB).

Urocentrum Video No. 5 - A pair of fused cilia are visible at the posterior end of this specimen of Urocentrum, towards the right of the microscope field; under phase contrast illumination at a magnification of 600x with a playing time of 13.4 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (2.3 MB).

Urocentrum Video No. 6 - A revolving specimen of Urocentrum; under darkfield illumination at a magnification of 400x with a playing time of 13.4 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (2.46 MB).

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