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Helicopter at exhibition noise abatement, Zurich 1960.
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Helicopter at exhibition noise abatement, Zurich 1...

Winners of the competition for the most beautiful teeth in Switzerland; 1966
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Winners of the competition for the most beautiful ...

Swiss Serum and Vaccine Institute, Grafenried 1956
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Swiss Serum and Vaccine Institute, Grafenried 1956

Blick employees getting vaccination against influenza, 1968.
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Blick employees getting vaccination against influe...

Mobile hearing test, crew and bus 1972.
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Mobile hearing test, crew and bus 1972.

Dental Hygienist, 1973.
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Dental Hygienist, 1973.

Noise control: Night driving ban in the city center, Zurich 1972
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Noise control: Night driving ban in the city cente...

Swiss serum and vaccination Institute, laboratory 1956.
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Swiss serum and vaccination Institute, laboratory ...

Zurich, school children learn the correct way of dental care; 1961.
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Zurich, school children learn the correct way of d...

Public pock vaccination programme, registration, Schaffhausen 1962.
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Public pock vaccination programme, registration, S...

Noise level measuring with motorcycles Zurich 1960.
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Noise level measuring with motorcycles Zurich 1960...

Noise demonstration, police motocycle on mobile test bed, Berne 1958.
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Noise demonstration, police motocycle on mobile te...

Swiss serum and vaccination Institute, guinea pigs 1956.
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Swiss serum and vaccination Institute, guinea pigs...

Hearing test, mobile studio 1972.
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Hearing test, mobile studio 1972.

Blick employee getting vaccination against influenza, 1968.
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Blick employee getting vaccination against influen...

Sterilization autoclave, serum and vaccination institute 1956
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Sterilization autoclave, serum and vaccination ins...

Zurich, school children learn the correct way to brush their teeth. 1961
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Zurich, school children learn the correct way to b...

Young woman handing our apples. 1967
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Young woman handing our apples. 1967

Noise measuring initiative of the metropolitan police Zurich 1961.
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Noise measuring initiative of the metropolitan pol...

Opening of Swiss serum and vaccination Institute 1956.
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Opening of Swiss serum and vaccination Institute 1...

Pock vaccination programme at a school, Schaffhausen 1962.
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Pock vaccination programme at a school, Schaffhaus...

Demonstration with air hammer at exhibition noise abatement, Zurich 1960
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Demonstration with air hammer at exhibition noise ...

Noise measuring device of the metropolitan police Zurich 1961
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Noise measuring device of the metropolitan police ...

Noise abatement: night driving ban downtown Zurich 1972
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Noise abatement: night driving ban downtown Zurich...

Zurich, school children learn the correct way of dental care; 1961.
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Zurich, school children learn the correct way of d...

Bottle with influenza vaccine 1968
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Bottle with influenza vaccine 1968

Last vaccination for the members of the swiss mission to Korea. casern Berne 1953
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Last vaccination for the members of the swiss miss...