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Australian aboriginal using a bow drill a prehistoric form of drilling tool, which was used to produce fire
ARP23A16_003

Australian aboriginal using a bow drill a prehisto...

A bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_492

A bow drill, a prehistoric form of drilling tool, ...

A bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A16_002

A bow drill, a prehistoric form of drilling tool, ...

An Eskimo using a thong drill to produce fire
ARP23A16_308

An Eskimo using a thong drill to produce fire

Engraving of Australian aborigines preparing a meal beside a river
ARP23A16_317

Engraving of Australian aborigines preparing a mea...

Australian aboriginal using a bow drill a prehistoric form of drilling tool, which was used to produce fire
ARP23A16_001

Australian aboriginal using a bow drill a prehisto...

A case of spontaneous combustion
ARP23A15_281

A case of spontaneous combustion

A bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_493

A bow drill, a prehistoric form of drilling tool, ...

Australian aborigines preparing a meal using a bow drill a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_500

Australian aborigines preparing a meal using a bow...

A North American Indian using a bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_499

A North American Indian using a bow drill, a prehi...

A North American Indian using a bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_498

A North American Indian using a bow drill, a prehi...

A case of spontaneous combustion
ARP23A15_490

A case of spontaneous combustion

Australian aborigines preparing a meal using a bow drill a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_497

Australian aborigines preparing a meal using a bow...

Engraving of a native Australian producing fire
ARP23A16_324

Engraving of a native Australian producing fire

Xiuhtecuhtli using a bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_496

Xiuhtecuhtli using a bow drill, a prehistoric form...

Engraving of a native Australian producing fire
ARP23A16_326

Engraving of a native Australian producing fire

Engraving of a native Australian producing fire
ARP23A16_325

Engraving of a native Australian producing fire

A North American Indian using a bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_494

A North American Indian using a bow drill, a prehi...

Egyptians moving a giant statue from the quarries
ARP23A16_381

Egyptians moving a giant statue from the quarries

A bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A15_495

A bow drill, a prehistoric form of drilling tool, ...

An experiment designed by John Tyndall to produce heat by friction
ARP23A16_004

An experiment designed by John Tyndall to produce ...

Xiuhtecuhtli using a bow drill, a prehistoric form of drilling tool, which was used to produce fire
ARP23A16_352

Xiuhtecuhtli using a bow drill, a prehistoric form...

Glass globe static electric machine
ARP07112_009787P

Glass globe static electric machine

The origin of the Leyden Jar
ARP07113_010444P

The origin of the Leyden Jar

James Graham
ARP07104_460001080

James Graham

Australian natives preparing meal from animal they have hunted
ARP07101_390004395

Australian natives preparing meal from animal they...

16th century woodcut showing cocoa bush
ARP07097_390002142

16th century woodcut showing cocoa bush