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08:24 IWF (Göttingen) Silent film 1956

Lichtmikroskopische Untersuchungen der Oberflächendiffusion (Kalium auf Quarz)

Crystal growth in the hypothermic droplet condensate. Corona formation at different temperatures and drop sizes. Additional crystal formation at condensation nuclei in gradual cooling. Stagnation in liquid air. Evaporation of potassium on a condensate in solid aggregate state. With time lapse.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
09:00 IWF (Göttingen) German 1956

Die Organelle der lebenden Pflanzenzelle (Allium cepa)

The onion, epidermal cells of the scale leaves. Organization of the living protoplasts. The different behaviour patterns of the cell nucleus, leucoplasts, chondriosomes (mitochondria) and sphaerosomes serve to distinguish the cell organelles cytologically.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: German
Offline Collection IWF (Göttingen) Silent film 1956

Alte Bewässerungsmethoden in Nubien

1. Watering small cultivated areas with cans. 2. Irrigation with the shaduf. 3. Irrigation with the sakije drawn by cattle. Mending of a sakije.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
07:45 IWF (Göttingen) German 1956

Ernst Kretschmer spricht über seine konstitutionsbiologischen Forschungen, Tübingen 1955

Shots of Kretschmer' s home, family and assistants. Kretschmer explains how he developed his constitutional types from early observations in mental institutions and his personal interest in ingenious persons. He stresses his scientific approach and introduces the three main types: pyknic-cyclothymic, leptosome-schizothym, and athletic-viscous constitutional type. He also explains type variations and topics for further research. (Cf. films C 700 and C 707).
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: German
06:44 IWF (Göttingen) Silent film 1956

Das Strömungsfeld hinter Delta- und Pfeilflügeln (Modellversuche)

Air flow fields behind delta and swept back wings in the wind tunnel. Visualisation of flow by string fence method. Change of flow patterns when moving models. Influence of aspect ratio, angle of attack, sideslip angle of wings and distance of reference surface from wings in both models.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
01:58 IWF (Göttingen) Silent film 1956

Cichlasoma biocellatum (Regan) - Kampf zweier Männchen

Jack Dempsey Cichlid. Beating with its tail after short threatening, beats getting heavier until the fish try to push away each other. Fleeing of the pushed back animal.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
02:06 IWF (Göttingen) Silent film 1956

Herichthys cyanoguttatus (Baird und Girard) - Kampf zweier Männchen

Texas Cichlid. Slow beginning of the fight, tail beats, turning the fronts against each other, pressing the wide opened mouths against each other and pushing (mouth fight), biting, fleeing of the loser.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
Offline Collection IWF (Göttingen) Silent film 1956

Salamandra maculosa (Laur.) - Laufen

The legs of the fire salamander stick out laterally and can only hold the body above the ground over short distances. The animal can only lift one single leg to keep its balance. Each step is coupled with a winding movement of the body.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
Offline Collection IWF (Göttingen) Silent film 1956

Caiman latirostris (Schn.) - Laufen

Alligatoridae. The locomotion of the caiman is supported by winding movements of its body.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
Offline Collection IWF (Göttingen) Silent film 1956

Hemichromis fasciatus (Cichlidae) - Brutpflege

Male and female fan alternately the spawn; sometimes they also show cleaning movements with the mouth. A short time before hatching of the larvas the parents pick the eggs from the stone and spit them into a foreprepared sand ditch. As soon as the young fishes are able to swim, the parents stay inside the school.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
02:55 IWF (Göttingen) Silent film 1956

Bodenstruktur - Regenwirkung - Drehstrahlregner 20-mm-Düse - 2,6 atü - Sandig-toniger Lehm

Mechanical effect of the falling drops: moistening of particles and levelling of contours. Bouncing off and transport of crumbs, breaking off crumb edges. Levelling and water backlog on the soil surface, "closed surface" after water seeped away. With slow motion.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
02:14 IWF (Göttingen) Silent film 1956

Bodenstruktur - Regenwirkung - Drehstrahlregner 20-mm-Düse - 2,6 atü - Humoser Sand

Mechanical impact of the falling drops: crater formation on the surface, transport of single sand particles. Washing out phenomenons. Water backlog and flow of a water-soil-suspension on the surface. With slow motion.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
05:26 IWF (Göttingen) Silent film 1956

Bodenstruktur - Regenwirkung - Drehstrahlregner 14-mm-Düse - 3,8 atü - Humoser Sand

Mechanical impact of the falling drops: levelling the surface, transport of single sand particles. Water backlog and levelling of the soil surface. Washing out of humus soil. With slow motion.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
06:16 IWF (Göttingen) Silent film 1956

Bodenstruktur - Regenwirkung - Drehstrahlregner 14-mm-Düse - 3,8 atü - Sandig-toniger Lehm

Mechanical effect of the falling drops: moistening and transport of particles by bouncing force, breaking off protruding edges. Absorbing capacity of the soil. Accumulation of mud. "Closed surface" after water seeped away. With slow motion.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
10:16 IWF (Göttingen) Silent film 1956

Bodenstrukturbildung bei wechselnder Befeuchtung und Trocknung (Modellversuche)

Crumbling of Opalinus clay (soil surface) and heavy loam (soil profile). Different swelling states of the soils. Moistening and drying. With time lapse.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
09:13 IWF (Göttingen) Silent film 1956

Bodenstrukturbildung durch Frost (Modellversuche)

Frozen soil specimens: horizontal, polyedral and homogenous frost structures; black earth from loess, para-brown earth from loess, diluvial sand, chalk clay. With time lapse.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
09:40 IWF (Göttingen) Silent film 1956

Craspedacusta sowerbii - Polypenkolonien und Bildung von Wanderfrusteln

Freshwater medusa; hydrozoans. Different colonies; structure of the polyp; migration of the frustule, development and removal of a migratory frutstule from an intact colony (asexual reproduction, lateral frustule formation) and growing out of the degenerated colony (terminal frustule development or diagonal division), beginning conversion of a young polyp into a double colony. Recording speed 16 fps, projection speed 18 fps.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
10:23 IWF (Göttingen) Silent film 1956

Sehschema "Weibchen" beim Kaisermantel (Attrappenversuch)

Approaching flight of the male towards a female in their natural habitat. Dummy experiments: resting butterfly dummies, moving dummies of different shape and colour.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
Offline Collection IWF (Göttingen) German 1956

Ferdinand Sauerbruch spricht über seinen Beruf als Chirurg

The surgeon Prof. Dr. F. Sauerbruch at the desk in his study. He talks about his professional attitude, stressing his personal experiences and the difficulties with patients.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: German
Offline Collection IWF (Göttingen) German 1956

Ferdinand Sauerbruch in der Chirurgischen Universitätsklinik der Charité Berlin, Dezember 1943

Prof. Dr. F. Sauerbruch during surgery of the thyroid gland. Sauerbruch with a group of students at the Berlin surgical university clinic during a course of lectures on the gastric ulcer, its surgical treatment (gastroenterostomy) and its main complication (peptic ulcer).
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: German
47:51 Lindau Nobel Laureate Meetings English 1956

Electrons and the Vacuum

  • Published: 1956
  • Publisher: Lindau Nobel Laureate Meetings
  • Language: English
46:59 Lindau Nobel Laureate Meetings German 1956

Problems in the theory of elementary particles

  • Published: 1956
  • Publisher: Lindau Nobel Laureate Meetings
  • Language: German
35:28 Lindau Nobel Laureate Meetings Multiple languages 1956

Physics of Crystals (German and English Presentation)

  • Published: 1956
  • Publisher: Lindau Nobel Laureate Meetings
  • Language: Multiple languages
33:03 Lindau Nobel Laureate Meetings English 1956

Elementary Particles

  • Published: 1956
  • Publisher: Lindau Nobel Laureate Meetings
  • Language: English
50:06 Lindau Nobel Laureate Meetings English 1956

Scientific and Technical Problems in the Development of Nuclear Power

  • Published: 1956
  • Publisher: Lindau Nobel Laureate Meetings
  • Language: English
Offline Collection Kulturfilm-Institut GmbH Dr. Hans Cürlis (Berlin) German 1956

Rembrandt - Nie gesehener Rembrandt

Introduction into "learning to see". The spectator's eye is trained to analyse various details from some of Rembrandt's etchings.
  • Published: 1956
  • Publisher: Kulturfilm-Institut GmbH Dr. Hans Cürlis (Berlin)
  • Language: German
05:42 IWF (Göttingen) Silent film 1956

Die Entstehung der Linsennähte

The organ anlage of the upper eye lid is removed from a 20 mm sized embryo and the outer and inner layer of the optic cup (cupulae opticae) are uncovered: demonstration of lens anlage. Opening of the eye and demonstration of lens. Formation of lens fibres and lens sutures.
  • Published: 1956
  • Publisher: IWF (Göttingen)
  • Language: Silent film
52:14 Lindau Nobel Laureate Meetings English 1956

Rock Magnetism and Movement of Continents

  • Published: 1956
  • Publisher: Lindau Nobel Laureate Meetings
  • Language: English
37:06 Lindau Nobel Laureate Meetings German 1956

From Copernicus to Einstein

  • Published: 1956
  • Publisher: Lindau Nobel Laureate Meetings
  • Language: German
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