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Longines technicians install the apparatus for time recording with Chronocamera, 1950

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Longines technicians install the apparatus for tim...

Workers packing up chocolate bars in chocolate factory Suchard in Serrieres, 1942

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Workers packing up chocolate bars in chocolate fac...

Longines technicians test the apparatus for time recording with Chronocamera, 1950

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Longines technicians test the apparatus for time r...

Worker in Chocolate factory Suchard in Serrieres, 1942

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Worker in Chocolate factory Suchard in Serrieres, ...

Workers in milk exploitation factory, 1944

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Workers in milk exploitation factory, 1944

Longines technicians test the apparatus for time recording with Chronocamera, 1950

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Longines technicians test the apparatus for time r...

Workers in chocolate factory Suchard in Serrieres, 1942

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Workers in chocolate factory Suchard in Serrieres,...

Longines technicians install the apparatus for time recording with Chronocamera, 1950

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Longines technicians install the apparatus for tim...

Swiss agricultural college of technology, Zollikofen, 1967

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Swiss agricultural college of technology, Zollikof...

Workers in milk exploitation factory, 1944

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Workers in milk exploitation factory, 1944

Central Swiss college of technology, Luzern 1958

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Central Swiss college of technology, Luzern 1958

Worker packing up cheese in Roethlisberger cheese export in Langnau, canton of Berne, 1944

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Worker packing up cheese in Roethlisberger cheese ...

Workers packing up chocolate bars in chocolate factory Suchard in Serrieres, 1942

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Workers packing up chocolate bars in chocolate fac...

Laboratory assistent in milk exploitation factory, 1944

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Laboratory assistent in milk exploitation factory,...

Swiss agricultural college of technology, Zollikofen, 1967

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Swiss agricultural college of technology, Zollikof...

Swiss agricultural college of technology, Zollikofen, 1967

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Swiss agricultural college of technology, Zollikof...

Central Swiss college of technology, Luzern 1958

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Central Swiss college of technology, Luzern 1958

Fire at Technikum Winterthur 1968

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Fire at Technikum Winterthur 1968

Central Swiss college of technology, Luzern 1958

UMG26A15_141

Central Swiss college of technology, Luzern 1958

Fire at Technikum Winterthur 1968

UMG26A17_125

Fire at Technikum Winterthur 1968

Fire at Technikum Winterthur 1968

UMG26A17_123

Fire at Technikum Winterthur 1968

Fire at Technikum Winterthur 1968

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Fire at Technikum Winterthur 1968

Historical exhibition of means of transport organized by the Italian Touring Club on the occasion of the sixtieth anniversary of its foundation. 1954

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Historical exhibition of means of transport organi...

Weapon technology.

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Weapon technology.

18th-century weapon technology. bandoleers showing the arrangement of the cords. rings. bullet

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18th-century weapon technology. bandoleers showing...

New annexe: Polytechnic school Lausanne 1965.

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New annexe: Polytechnic school Lausanne 1965.

Students at the ETH Library 1958.

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Students at the ETH Library 1958.

Physical chemistry of ETH Zurich, building 1961.

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Physical chemistry of ETH Zurich, building 1961.

Jean Pierre Blaser, professor 1959.

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Jean Pierre Blaser, professor 1959.

Class of former students of Technikum Winterthur 1949.

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Class of former students of Technikum Winterthur 1...

Dancing Couple at the Polyball 1952.

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Dancing Couple at the Polyball 1952.

Practical training in laboratory, Institute of chemistry, ETH Zurich 1955.

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Practical training in laboratory, Institute of che...

Technikum Winterthur 1949.

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Technikum Winterthur 1949.

Technikum Burgdorf 1942.

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Technikum Burgdorf 1942.

Librarian, ETH Library 1958.

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Librarian, ETH Library 1958.

Model of Koblenz power station, ETH Zurich 1958.

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Model of Koblenz power station, ETH Zurich 1958.

Le Locle, college of technology and Monument des Horlogers; 948.

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Le Locle, college of technology and Monument des H...

Monitoring car doing measurement of air pollution, 1973.

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Monitoring car doing measurement of air pollution,...

100 years ETH 1955: Celebration in Kongresshaus Zurich.

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100 years ETH 1955: Celebration in Kongresshaus Zu...

Laboratory, institute of Physics, ETH Zurich 1955.

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Laboratory, institute of Physics, ETH Zurich 1955.

Florence Experimental Lab devices to determine seeds'humidity

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Florence Experimental Lab devices to determine see...

Florence Experimental Lab

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Florence Experimental Lab

Florence Experimental Lab the Marcusson device, used to determine seeds'humidity with the distillation method

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Florence Experimental Lab the Marcusson device, us...

Application of cold to industry. Raoul Pictect system. Cool rom for meat. Chicago (United States).

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Application of cold to industry. Raoul Pictect sys...

Floating coal elevator. Designed and constructed by James Rigg, a British engineer from Chester. It

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Floating coal elevator. Designed and constructed b...

Madrid, Spain. New gypsum mill, Montenegro system, established in Vallecas, in the facilities of

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Madrid, Spain. New gypsum mill, Montenegro system,...

Italy. Muggiano Polygon (La Spezia). Comparative tests on 48-centimeter thick armor sheets, carried

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Italy. Muggiano Polygon (La Spezia). Comparative t...

Application of cold to industry. Raoul Pictect system. Interior view of a large beer factory.

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Application of cold to industry. Raoul Pictect sys...

The Morse cotton baling press. John H. Ladd and Co. New York, United States. Mechanical press

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The Morse cotton baling press. John H. Ladd and Co...

Colon (former Aspinwall, United States of Colombia), Panama. Dredge “Hercules”, used in the works

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Colon (former Aspinwall, United States of Colombia...

Application of cold to industry. Raoul Pictect system. Interior of an ice factory, capable of

UMG25A35_136

Application of cold to industry. Raoul Pictect sys...

Cuba. Bolondron, province of Matanzas. Engenho (sugar cane mill) ""Armonia"" (1848). Industry

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Cuba. Bolondron, province of Matanzas. Engenho (su...

Germany. North Rhine-Westphalia. Lipppe district. Bad Salzuflen. Rice starch factory of E. Hoffmann

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Germany. North Rhine-Westphalia. Lipppe district. ...

Gaston Tissandier (1843-1899). French aeronaut and science communicator. Albert-Charles Tissandier

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Gaston Tissandier (1843-1899). French aeronaut and...

Gaston Tissandier (1843-1899). French aeronaut and science communicator. Albert-Charles Tissandier

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Gaston Tissandier (1843-1899). French aeronaut and...

Battery cage, experimental farm of the ETH, Kemptthal 1958

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Battery cage, experimental farm of the ETH, Kemptt...

Polyball 1952.

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Polyball 1952.

Inspection of water and gas pipes, 1972.

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Inspection of water and gas pipes, 1972.

100 years ETH Zurich 1955: principal Giacometti, painter Gimmi.

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100 years ETH Zurich 1955: principal Giacometti, p...

100 years ETH 1955: Principal Schmid, professor Stucky

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100 years ETH 1955: Principal Schmid, professor St...

Student at the Technical College in Winterthur 1949

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Student at the Technical College in Winterthur 194...

Memorial for Stefano Franscini, ETH main building 1955.

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Memorial for Stefano Franscini, ETH main building ...

Dancing Couple at the Polyball 1952.

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Dancing Couple at the Polyball 1952.

Dies Academicus 1951: Torchlight procession of the students

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Dies Academicus 1951: Torchlight procession of the...

Poly-Ball 1961.

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Poly-Ball 1961.

Experiment with planting machine, Kemptthal 1958.

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Experiment with planting machine, Kemptthal 1958.

Geodesy student with surveying instrument, Zurich 1965

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Geodesy student with surveying instrument, Zurich ...

Torchlit parade of former students of Technikum Winterthur 1949.

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Torchlit parade of former students of Technikum Wi...

Geodesy-students at surveying exercise, ETH Zurich 1955.

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Geodesy-students at surveying exercise, ETH Zurich...

Jean Pierre Blaser 1959.

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Jean Pierre Blaser 1959.

Technical University Brugg-Windisch, building site 1968.

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Technical University Brugg-Windisch, building site...

Image Historical

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Image Historical

Dies Academicus 1951: Torchlight procession of the students

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Dies Academicus 1951: Torchlight procession of the...

Parade of members of a students' society, Winterthur 1949.

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Parade of members of a students' society, Winterth...

Paul-Henri Spaak speaking about The new Europe, Zurich 1949

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Paul-Henri Spaak speaking about The new Europe, Zu...

Laboratory, Instiute of hydraulic engineering, ETH Zurich 1955.

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Laboratory, Instiute of hydraulic engineering, ETH...

Construction site of the Physics Institute of ETHHönggerberg, Zurich 1962

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Construction site of the Physics Institute of ETHH...

ETH Zurich: Machine Laboratory, 1955

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ETH Zurich: Machine Laboratory, 1955

University Quarter Zurich Center 1958

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University Quarter Zurich Center 1958

Woman in evening dress, Polyball 1952

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Woman in evening dress, Polyball 1952

Laboratory internship, Chemistry Institute of ETH Zurich 1955

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Laboratory internship, Chemistry Institute of ETH ...

Preparations for Poly-Ball 1961.

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Preparations for Poly-Ball 1961.

JeanPierre Blaser 1959

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JeanPierre Blaser 1959

Laboratory internship, Chemistry Institute of ETH Zurich 1955

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Laboratory internship, Chemistry Institute of ETH ...

Woman in evening dress, Polyball 1952

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Woman in evening dress, Polyball 1952

Mechanical Engineering Laboratory of ETH Zurich 1955

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Mechanical Engineering Laboratory of ETH Zurich 19...

Paul-Henri Spaak speaking about The new Europe, Zurich 1949

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Paul-Henri Spaak speaking about The new Europe, Zu...

Practical training in laboratory, Institute of chemistry, ETH Zurich 1955.

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Practical training in laboratory, Institute of che...

Poly-Ball 1961.

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Poly-Ball 1961.

Dr. Käppeli with honorary doctor document of ETH, Zurich 1956.

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Dr. Käppeli with honorary doctor document of ETH, ...

ETH Zurich: Laboratory, Process Engineering, Technical Chemistry, 1955

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ETH Zurich: Laboratory, Process Engineering, Techn...

Polyball 1952

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Polyball 1952

ETH Zurich; computer centre 1979.

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ETH Zurich; computer centre 1979.

Technikum Burgdorf, anniversary parade 1942

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Technikum Burgdorf, anniversary parade 1942

Laboratory internship, Chemistry Institute of ETH Zurich 1955

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Laboratory internship, Chemistry Institute of ETH ...

Monitoring car doing measurement of air pollution, 1973.

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Monitoring car doing measurement of air pollution,...

Central Swiss Technical College Lucerne, building 1964

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Central Swiss Technical College Lucerne, building ...

Battery cage, experimental farm of the ETH, Kemptthal 1958

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Battery cage, experimental farm of the ETH, Kemptt...

Paul-Henri Spaak speaking about The new Europe, Zurich 1949

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Paul-Henri Spaak speaking about The new Europe, Zu...

Students at the ETH Library 1958.

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Students at the ETH Library 1958.

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