Detailed technical drawings of bicycle parts by illustrator Daniel Rebour, various dates. Detailed technical drawings of bicycle parts by illustrator Daniel Rebour, various dates. Detailed technical drawings of bicycle parts by illustrator Daniel Rebour, various dates. Detailed technical drawings of bicycle parts by illustrator Daniel Rebour, various dates. Detailed technical drawings of bicycle parts by illustrator Daniel Rebour, various dates. Detailed technical drawings of bicycle parts by illustrator Daniel Rebour, various dates.

Detailed technical drawings of bicycle parts by illustrator Daniel Rebour, various dates.

Illustrated reviews of new bicycle technology trends, drawn by Daniel Rebour for Le Cycle (60s & 70s) Illustrated reviews of new bicycle technology trends, drawn by Daniel Rebour for Le Cycle (60s & 70s) Illustrated reviews of new bicycle technology trends, drawn by Daniel Rebour for Le Cycle (60s & 70s)

Illustrated reviews of new bicycle technology trends, drawn by Daniel Rebour for Le Cycle (60s & 70s)

Center-pull bicycle brakes. and exploded views. Comparative illustration of Mafac cantilever models, and exploded views of Racer and GT models. Center-pull bicycle brakes. and exploded views. Comparative illustration of Mafac cantilever models, and exploded views of Racer and GT models. Center-pull bicycle brakes. and exploded views. Comparative illustration of Mafac cantilever models, and exploded views of Racer and GT models. Center-pull bicycle brakes. and exploded views. Comparative illustration of Mafac cantilever models, and exploded views of Racer and GT models.

Center-pull bicycle brakes. and exploded views. Comparative illustration of Mafac cantilever models, and exploded views of Racer and GT models.

Youmans, Edward Livingston (1855) Chemical atlas. D. Appleton. Decomposition of Light; structure of solar rays. (uniformla)

Diagrammatic explanations of basic chemistry compounds and reactions as depicted by Edward Livingston Youmans in its Chemical Atlas (New York, 1857)  Diagrammatic explanations of basic chemistry compounds and reactions as depicted by Edward Livingston Youmans in its Chemical Atlas (New York, 1857)  Diagrammatic explanations of basic chemistry compounds and reactions as depicted by Edward Livingston Youmans in its Chemical Atlas (New York, 1857)  Diagrammatic explanations of basic chemistry compounds and reactions as depicted by Edward Livingston Youmans in its Chemical Atlas (New York, 1857)  Diagrammatic explanations of basic chemistry compounds and reactions as depicted by Edward Livingston Youmans in its Chemical Atlas (New York, 1857)  Diagrammatic explanations of basic chemistry compounds and reactions as depicted by Edward Livingston Youmans in its Chemical Atlas (New York, 1857) 

Diagrammatic explanations of basic chemistry compounds and reactions as depicted by Edward Livingston Youmans in its Chemical Atlas (New York, 1857) 

The enviornmental burden of metal mining and refining in Life cycle assesment of metals: A scientific synthesis by Philip Nuss and Matthew J. Eckelman in Plosone.org (via mucholderthen) The enviornmental burden of metal mining and refining in Life cycle assesment of metals: A scientific synthesis by Philip Nuss and Matthew J. Eckelman in Plosone.org (via mucholderthen) The enviornmental burden of metal mining and refining in Life cycle assesment of metals: A scientific synthesis by Philip Nuss and Matthew J. Eckelman in Plosone.org (via mucholderthen) The enviornmental burden of metal mining and refining in Life cycle assesment of metals: A scientific synthesis by Philip Nuss and Matthew J. Eckelman in Plosone.org (via mucholderthen) The enviornmental burden of metal mining and refining in Life cycle assesment of metals: A scientific synthesis by Philip Nuss and Matthew J. Eckelman in Plosone.org (via mucholderthen) The enviornmental burden of metal mining and refining in Life cycle assesment of metals: A scientific synthesis by Philip Nuss and Matthew J. Eckelman in Plosone.org (via mucholderthen)

The enviornmental burden of metal mining and refining in Life cycle assesment of metals: A scientific synthesis by Philip Nuss and Matthew J. Eckelman in Plosone.org (via mucholderthen)

Technical drawings with different approaches of rocket design, intended to reach and land on the Moon, 1962. (unwantedblog) Technical drawings with different approaches of rocket design, intended to reach and land on the Moon, 1962. (unwantedblog) Technical drawings with different approaches of rocket design, intended to reach and land on the Moon, 1962. (unwantedblog)

Technical drawings with different approaches of rocket design, intended to reach and land on the Moon, 1962. (unwantedblog)

Diagrams of solid rocket motor UA-1205. Forward end of the motor and details of the thrust vector control system and fluid injection. (unwanted blog) Diagrams of solid rocket motor UA-1205. Forward end of the motor and details of the thrust vector control system and fluid injection. (unwanted blog)

Diagrams of solid rocket motor UA-1205. Forward end of the motor and details of the thrust vector control system and fluid injection. (unwanted blog)

Evolution of life as an illustrated chronological spiral.

Trees on evolution of species drawn by naturist Ernst Haeckel in the 19th century. Trees on evolution of species drawn by naturist Ernst Haeckel in the 19th century. Trees on evolution of species drawn by naturist Ernst Haeckel in the 19th century. Trees on evolution of species drawn by naturist Ernst Haeckel in the 19th century.

Trees on evolution of species drawn by naturist Ernst Haeckel in the 19th century.