ARISTOTLE's understanding of ANAXAGORAS' theories
representation of ARISTOTLE's theory about the genetic chemism of the rising vapours
Cross section through the earth by Leonardo da Vinci
The earth model by RENÉ DESCARTES
Central fire, fire-hearths and volcanos
Stages of development of the earth
Firing of a bullet of a shot gun into a wooden box
Cross section of the earth (Woodward)
The gaseous core of the earth
Inhabital interior of the earth (J. Verne)
The interior of the earth with central water
Roundness of the earth
Elevation crater
Eruption crater
Gradual filling of crater
A volcano in an elevation crater
Cover of an elevation crater
Eruption crater without elevation
Supposed section of Vesuvius and Somma
Eruption of the Monte Nuovo in 1538
Shift in the stones of two obilisks
Section of one of the circular hollows formed in the plain of Rosarno
Proportionate relationship between the mainland and the ocean
Supposed reservoir and pipe of a Geyser in Iceland
The theory of the collection of steam power in geyser eruptions
Eruption of the great Geyser in Iceland
Elevation of a logitudinal part of the crust
Irregular form of depositing the stone blocks after an elevation
Dislocation of fragments of the crust
Break-through of molten mass through the crust of the earth
Concurrent effect of gravitation of sun and moon during spring tides
Vertical cross-section of a part of the earth
NEWTON'S modell of compressions and dilatations of air
Geometrical representation of the individual time sections
Representation of the progressive vibrations of the fluid particles
TRAVAGINI's representation (1679) of the course of the lateral vibrations
TRAVAGINIs geometrical model of the propagation of the earthquake of Ragusa (D)
Analogical experiment for demonstrating the mode of propagation of wave motion
Lateral vibrations caused by up and downward movements of the crust
Subterranean fire hearth and strata lying above it
Vulcanic focus and propagation of the horizontal wave motions
Propagation of vibrations along a cylindrical tube
Propagation of waves along the surface of water in a uniform canal
Reflection and Refraction of a wave by HOPKINS (1847)
Position of the Centre of disturbance by HOPKINS (1847)
Propagation of a wave through masses of different elastic properties
Propagation fo a wave in a fluid mass
Diagram illustrating internal motions of a wave in a fluid
The great sea wave (MALLET 1846)
Propagation of a longitudinal compression wave
Earthquake "cotidal lines"
Start of the process of elevation according to MALLET (1846)
Start of the subsidation according to MALLET (1846)
Break up of the crust according to MALLET (1846)
Cross-section of the mile measured at Killiney Bay
Cross-section of the crater created by the explosion
Arrangement of the explosion experiments in the sand of Killiney Bay
Shaking of the antipodal locations of Ochotzk and Quito
Vertical fissures, provoked by a nearly horziontal stroke
Fractures on roofs and arches by steep stroke
The Cathedral at Paterno
MALLET's method of determining the direction of shock
Refraction and reflection of a seismic wave
Decreas of the earthquake wave passing through a deep valley
Theoretical experiment for the different rate of the propagation of a wave through marble and rubber
Graphical method for determination of the depth of the focus
Geometrical model for determining the centre of the earthquake and the locations of equal time of shock
Earthquake-"hodograph"
Model for explaining the conditions of weight on the crust
Graphical representation of the oceanic and continental parts of the crust
Earthquake registration on a fixed plate
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