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Ski race, camera man, television camera, 1964, Innsbruck.

UMG24A37_454

Ski race, camera man, television camera, 1964, Inn...

This 1890s illustration show the mock suns as seen by early explorers. Mock suns, also known as sun

UMG24A08_164

This 1890s illustration show the mock suns as seen...

Binocular microscope by Wenge.

UMG23A01_299

Binocular microscope by Wenge.

Binocular microscope by Nashet.

UMG23A01_298

Binocular microscope by Nashet.

Microscope.

UMG23A01_308

Microscope.

Microscope by Abbe.

UMG23A01_309

Microscope by Abbe.

Eyepiece of the microscope.

UMG23A01_304

Eyepiece of the microscope.

Rays in the binocular microscope.

UMG23A01_315

Rays in the binocular microscope.

Inverse microscope.

UMG23A01_305

Inverse microscope.

Projection microscope.

UMG23A01_314

Projection microscope.

Lens of the microscope.

UMG23A01_306

Lens of the microscope.

Binocular microscope by Nashet for two observers.

UMG23A01_297

Binocular microscope by Nashet for two observers.

An illustration of the encyclopedia publishers Education.

UMG23A01_300

An illustration of the encyclopedia publishers Edu...

Microscope with three lenses.

UMG23A01_311

Microscope with three lenses.

Aperture of the microscope.

UMG23A01_296

Aperture of the microscope.

Microscope for the aquarium.

UMG23A01_310

Microscope for the aquarium.

Device for the polarization of light in the microscope.

UMG23A01_302

Device for the polarization of light in the micros...

Polarizing microscope.

UMG23A01_313

Polarizing microscope.

Dissecting microscope Zeiss.

UMG23A01_303

Dissecting microscope Zeiss.

Microscope.

UMG23A01_312

Microscope.

Antarctic. Explorers With Theodolite. 1957-58

UMG22A92_323

Antarctic. Explorers With Theodolite. 1957-58

Chappe Optical Telegraph / Chappe Optical Telegraph

UMG22A62_368

Chappe Optical Telegraph / Chappe Optical Telegrap...

Optical Deep Space Surveillance dome

UMG22A21_213

Optical Deep Space Surveillance dome

Processing a message on a Univac optical character reader

UMG22A18_145

Processing a message on a Univac optical character...

Optical illusion

UMG22A03_248

Optical illusion

Holland, 16th century. Portrait of a man, 1520.

UMG21A13_256

Holland, 16th century. Portrait of a man, 1520.

Night rainbow

UMG20B28_235

Night rainbow

Magic lantern slide circa 1900

UMG20B20_360

Magic lantern slide circa 1900

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_191

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_407

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_404

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_426

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_192

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_193

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_427

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_405

The special astrophysical observatory of the forme...

The special astrophysical observatory of the former academy of sciences of the ussr has the bta-6 (big telescope alt-azimuthal), the world's largest optical telescope, built in 1976, it is located nea...

UMG20B06_201

The special astrophysical observatory of the forme...

Staff members of the central astronomical observatory of the ukrainian academy of sciences in kiev are preparing for optical observations of the sputnik 1 satellite, 1957.

UMG20B02_437

Staff members of the central astronomical observat...

Belarus, december 3 2002: an artificial heart valve, the production of which has begun at the belarussian concern 'planar,' optical and space technology materials are used in its design, for instance,...

UMG20B10_427

Belarus, december 3 2002: an artificial heart valv...

Moscow region, russia, november 15 2002: a visitor to the exhibition trying a piece of equipment for detecting optical devices in use, the demonstration was held on friday within the framework of the ...

UMG20B10_397

Moscow region, russia, november 15 2002: a visitor...

Frank S. Betz Co., (Optical Instruments, etc.,) Hammond, Ind. Very few young boys or girls. 1908

UMG20A63_151

Frank S. Betz Co., (Optical Instruments, etc.,) Ha...

Blue Bell Broom Label

UMG20A48_093

Blue Bell Broom Label

Where is the Rat? 1880

UMG20A42_219

Where is the Rat? 1880

The Invisible Jockey 1880

UMG20A42_206

The Invisible Jockey 1880

St. Julian - Where is Hickcock? 1880

UMG20A42_215

St. Julian - Where is Hickcock? 1880

The Heads of Five Different Nations. Find Them. 1880

UMG20A42_224

The Heads of Five Different Nations. Find Them. 18...

Duel. Where is the Adversary? 1880

UMG20A42_214

Duel. Where is the Adversary? 1880

Alcohol is the Anesthesia 2009

UMG20A43_335

Alcohol is the Anesthesia 2009

Where are my Four Fellow Travelers? 1880

UMG20A42_211

Where are my Four Fellow Travelers? 1880

The Dog's Master is Here 1880

UMG20A42_220

The Dog's Master is Here 1880

Blue Moon 1906

UMG20A40_278

Blue Moon 1906

The Dog! Oh, Where is he? 1880

UMG20A42_209

The Dog! Oh, Where is he? 1880

Where is my Master? 1880

UMG20A42_212

Where is my Master? 1880

Find the Face of the Child 1877

UMG20A42_225

Find the Face of the Child 1877

Find the Dog's Master 1880

UMG20A42_213

Find the Dog's Master 1880

Find Her Lover? 1880

UMG20A42_218

Find Her Lover? 1880

Doctor and His Patients 1880

UMG20A42_221

Doctor and His Patients 1880

Who is the Coming Man? 1880

UMG20A42_217

Who is the Coming Man? 1880

Farmer's Puzzle 1880

UMG20A42_222

Farmer's Puzzle 1880

Butterfly 1880

UMG20A42_210

Butterfly 1880

Where is the Shepherd? 1880

UMG20A42_216

Where is the Shepherd? 1880

Roses & Noses 1881

UMG20A42_223

Roses & Noses 1881

Mr. Bluebeard 1880

UMG20A42_208

Mr. Bluebeard 1880

The Hawk Has a Rabbit's Head. Where is it? 1880

UMG20A42_207

The Hawk Has a Rabbit's Head. Where is it? 1880

Human Rights 2009

UMG20A43_400

Human Rights 2009

Prince Hirohito Studies Army

UMG20A20_352

Prince Hirohito Studies Army

Ballet On Top Of Empire State

UMG20A19_068

Ballet On Top Of Empire State