Martin\'s Second Universal Microscope (circa 1742)


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Paramecium (Protozoa) Movies

Paramecium Video No. 1 - A group of swimming paramecia, looking more like a bunch of bumper cars as they collide and rebound off of one another; under oblique illumination at a magnification of 400x with a playing time of 24.8 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 (9.87 MB).

Paramecium Video No. 2 - The oral groove is easy to see as this solitary paramecium drifts, slowly revolving, through the water; under oblique illumination at a magnification of 400x with a playing time of 12.0 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 (2.41 MB).

Paramecium Video No. 3 - A paramecium finds a potential meal in a piece of pond debris and places its oral groove over the object; under phase contrast illumination at a magnification of 600x with a playing time of 14.3 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 (6.35 MB).

Paramecium Video No. 4 - Two paramecia are joined, probably undergoing conjugation, a process of exchanging nuclear materials; under phase contrast illumination at a magnification of 200x with a playing time of 20.4 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 (9.09 MB).

Paramecium Video No. 5 - A paramecium swims slowly across the microscope field; under darkfield illumination at a magnification of 200x with a playing time of 21.0 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 (3.1 MB).

Paramecium Video No. 6 - The ripples of motion seen surrounding this paramecium are from beating cilia that cover the exterior of the organism; under phase contrast illumination at a magnification of 400x with a playing time of 24.5 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 (9.92 MB).

Paramecium Video No. 7 - The ripples of motion seen surrounding this paramecium are from beating cilia that cover the exterior of the organism; under phase contrast illumination at a magnification of 400x with a playing time of 24.7 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 (8.11 MB).

Paramecium Video No. 8 - The beating cilia covering this paramecium are easy to see as it slowly revolves and swims; under DIC illumination at a magnification of 400x with a playing time of 45.6 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 (7.2 MB).

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