Période

28 résultats pour : refracting

  • Page
  • sur
  • 1
Connectez-vous pour plus de résultats
An astronomer and his assistant observing Mercury, Venus and Jupiter from a roof top observatory in Paris
ARP23A16_207

An astronomer and his assistant observing Mercury,...

Giuseppe Piazzi's refracting telescope with achromatic lens built by Jesse Ramsden
ARP23A16_236

Giuseppe Piazzi's refracting telescope with achrom...

Frontispiece of Giuseppe Piazzi's catalogue of star positions
ARP23A16_237

Frontispiece of Giuseppe Piazzi's catalogue of sta...

A folding refracting stereoscope with picture reSt Dated 19th Century
ARP23A15_345

A folding refracting stereoscope with picture reSt...

A refracting telescope built by Joseph von Fraunhofer
ARP23A16_218

A refracting telescope built by Joseph von Fraunho...

A folding refracting stereoscope with picture reSt Dated 19th Century
ARP23A15_344

A folding refracting stereoscope with picture reSt...

An astronomer and his female assistant observing Mercury, Venus and Jupiter from a roof top observatory in Paris
ARP23A16_219

An astronomer and his female assistant observing M...

A refracting telescope on an iron stand and fitted with a finder
ARP23A16_229

A refracting telescope on an iron stand and fitted...

A solar halo
ARP23A15_220

A solar halo

The Craig telescope, a large telescope built in the 1850s, and while much larger than previous refracting telescopes
ARP23A16_213

The Craig telescope, a large telescope built in th...

An astronomer and his assistant observing Mercury, Venus and Jupiter from a roof top observatory in Paris
ARP23A15_305

An astronomer and his assistant observing Mercury,...

An astronomer and his assistant observing Mercury, Venus and Jupiter from a roof top observatory in Paris
ARP23A15_306

An astronomer and his assistant observing Mercury,...

An astronomer and his assistant observing Mercury, Venus and Jupiter from a roof top observatory in Paris
ARP23A16_203

An astronomer and his assistant observing Mercury,...

Projecting the sun's image through a refracting telescope
ARP07113_010549P

Projecting the sun's image through a refracting te...

Method of projecting the sun's image
ARP07113_010550P

Method of projecting the sun's image

Hevelius observing with a wooden-tubed refracting telescope some 30 feet
ARP07113_010551P

Hevelius observing with a wooden-tubed refracting ...

Hevelius's plan for a tower observatory
ARP07113_010552P

Hevelius's plan for a tower observatory

Observers using a refracting telescope
ARP07113_010554P

Observers using a refracting telescope

Refracting telescope
ARP07113_010555P

Refracting telescope

How to construct a mounting for a refracting telescope
ARP07113_010556P

How to construct a mounting for a refracting teles...

Projecting the image of the Sun
ARP07113_010557P

Projecting the image of the Sun

Projecting the image of the Sun
ARP07113_010558P

Projecting the image of the Sun

The 'equatorial coude' refracting telescope
ARP07113_010562P

The 'equatorial coude' refracting telescope

Large refracting telescope at the Potsdam Astrophysical Observatory
ARP07113_010563P

Large refracting telescope at the Potsdam Astrophy...

Dr Syntax showing young lady the stars with small refracting telescope
ARP07108_0460001633

Dr Syntax showing young lady the stars with small ...

Long focal length refracting telescope
ARP07104_460001263

Long focal length refracting telescope

Hevelius observing through refracting telescope
ARP07104_460001482

Hevelius observing through refracting telescope

Télescope Réfracteur
ARP07096_390002061

Télescope Réfracteur