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James Abram Garfield (1831-1881) was elected the 20th President of the United States in 1880. His

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James Abram Garfield (1831-1881) was elected the 2...

James Abram Garfield (1831-1881) was elected the 20th President of the United States in 1880. He

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James Abram Garfield (1831-1881) was elected the 2...

James Abram Garfield (1831-1881) was elected the 20th President of the United States in 1880. He

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James Abram Garfield (1831-1881) was elected the 2...

James Abram Garfield (1831-1881) was elected the 20th President of the United States in 1880. He

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James Abram Garfield (1831-1881) was elected the 2...

James Abram Garfield (1831-1881) was elected the 20th President of the United States in 1880. He

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James Abram Garfield (1831-1881) was elected the 2...

James Abram Garfield (1831-1881) was elected the 20th President of the United States in 1880. He

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James Abram Garfield (1831-1881) was elected the 2...

James Abram Garfield (1831-1881) was elected the 20th President of the United States in 1880. He

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James Abram Garfield (1831-1881) was elected the 2...

The early 1900s caption reads: ""HELVETIANS PLANNING THEIR MIGRATION.‚ÄîThe Helvetians were a tribe

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The early 1900s caption reads: ""HELVETIANS PLANNI...

Mourning infront of the imperial palace in Berlin

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Mourning infront of the imperial palace in Berlin

Digital improved reproduction

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Digital improved reproduction

Digital improved reproduction

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Digital improved reproduction

Operating a Boring Machine 1914

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Operating a Boring Machine 1914

Radio News: Radio Rescues Miners 1924

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Radio News: Radio Rescues Miners 1924

Short Wave and Television: Televised Horse Racing

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Short Wave and Television: Televised Horse Racing

Short Wave Craft: How to Build the 804 Power Oscillator 1936

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Short Wave Craft: How to Build the 804 Power Oscil...

Short Wave and Television: Radio and Firefighting 1937

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Short Wave and Television: Radio and Firefighting ...

Short Wave and Television: Radio and Airplanes

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Short Wave and Television: Radio and Airplanes

Short Wave Craft: Make This New Police Thrill Box

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Short Wave Craft: Make This New Police Thrill Box

Radio News: Christmas

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Radio News: Christmas

Short Wave and Television: Radio Controlled Ice Sailing

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Short Wave and Television: Radio Controlled Ice Sa...

Short Wave and Television: Short Waves Aid Movie Directors 1937

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Short Wave and Television: Short Waves Aid Movie D...

Radio-Craft: Submarine 1932

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Radio-Craft: Submarine 1932

Short Wave Craft: Build This New Briefcase Short Wave Receiver 1932

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Short Wave Craft: Build This New Briefcase Short W...

Short Wave Craft: This Converter 1932

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Short Wave Craft: This Converter 1932

Short Wave Craft: At Last! A 2 R.F. Stage Pentode Receiver That Works!

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Short Wave Craft: At Last! A 2 R.F. Stage Pentode ...

Short Wave Craft: Short Wave Radio Bomb Locates Mineral Deposits

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Short Wave Craft: Short Wave Radio Bomb Locates Mi...

Short Wave Craft: How to Build a Simple Phone Transmitter 1931

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Short Wave Craft: How to Build a Simple Phone Tran...

Short Wave Craft: How to Make the New All-Wave Receiver

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Short Wave Craft: How to Make the New All-Wave Rec...

Side view of Emir on horseback and under ceremonial umbrella

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Side view of Emir on horseback and under ceremonia...

Health Dept. Milk Test Kit

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Health Dept. Milk Test Kit

One of the many symbols and themes that constantly recur in Swedish rock carvings is that of the sun

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One of the many symbols and themes that constantly...

In Northwestern Alaska crews of eight men hunted huge bowhead whales in small skin boats

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In Northwestern Alaska crews of eight men hunted h...

Although originally built in the 14th century, the structure of mud buildings such as the mosque of Agades is constantly renewed

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Although originally built in the 14th century, the...

The minaret of Agades mosque

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The minaret of Agades mosque

The gardens of Xochimilco, to the south of Mexico City

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The gardens of Xochimilco, to the south of Mexico ...

The Aztec canals at the floating gardens of Xochimilco

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The Aztec canals at the floating gardens of Xochim...

The Aztec canals at the floating gardens of Xochimilco

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The Aztec canals at the floating gardens of Xochim...