Southern High School, Harwood, Maryland--PHOTOGRAPHER-MARVIN JOSEPH/TWP--CAPTION- Advanced Placement Chemistry students at Southern Senior High...
Southern High School, Harwood, Maryland--PHOTOGRAPHER-MARVIN JOSEPH/TWP--CAPTION- Advanced Placement Chemistry students at Southern Senior High...
Crewe Locomotive Works, Forge Street, Crewe, Cheshire, 1910. Dissolution of a sample of steel for carbon estimation in a laboratory. From the LG...實驗室, 金屬
Engraving by C H Jeens of ROBERT WILHELM BUNSEN . Bunsen is widely considered one of the greatest experimental chemists of the 19th century. He was a...
Photogravure after a painting by J Marx. Bunsen was Professor of Chemistry at Heidelberg from 1852 onwards. His research supported the theory that...
Etching by W B Hole of Alexander Crum Brown . Brown was an organic chemist and pioneer of the use of graphic formulae - atoms linked by lines - which...
Lithograph by R Hoffmann after a photograph by F Hansstangel of ROBERT WILHELM BUNSEN who pioneered spectrum analysis with Gustav Robert Kirchhoff ....
Carte-de-visite portrait of Robert Wilhelm Bunsen , taken by an unknown photographer and published by Petschler & Co, Manchester, in about 1865. A...砒霜
An assortment of domestic and industrial items demonstrating a range of different materials doing jobs for which their physical properties make them...
Brass bunsen burner, c 1865. Brass bunsen burner, c 1865. The Bunsen burner is a gas burner used in laboratories, consisiting of a vertical metal...
On the left is a porcelain Bunsen burner for use in corrosive atmospheres. Second from the left is an 1872 Bunsen burner topped by a 'rose', as...
Ordinary safety Bunsen burner with gauze cap, c 1885. Associated with Fletcher. Ordinary safety Bunsen burner with gauze cap, c 1885. Associated with...
Polarimeter measures the angle of rotation of a polarized plane of a beam of light when it passes through an optically active substance, such as a...
This thermostat assisted the determination of the specific gravity of vapours and gases by maintaining a steady temperature within an enclosure....
The Bunsen burner is a gas burner consisiting of a vertical metal tube through which a fine jet of fuel gas is directed. Air is drawn in through...
The Bunsen burner is a gas burner used in laboratories, consisting of a vertical metal tube through which a fine jet of fuel gas is directed. Air is...
Paul Ehrlich was a pioneer of haematology and immunology. Graduating from Leipzig in 1878, Ehrlich discovered the mast cells in blood and techniques...
Engraving of Bunsen who pioneered spectrum analysis with Gustav Robert Kirchhoff . This led to the invention of the Bunsen-Kirchhoff spectroscope and...
Robert Bunsen , ROBERT WILHELM BUNSEN who pioneered spectrum analysis with Gustav Robert Kirchhoff . This led to the invention of the...
Signed engraving made by C Cook, after a photograph. Bunsen is widely considered one of the greatest experimental chemists of the 19th century. He...
Robert Bunsen , one of the great experimental chemists of the century, and a pioneer of chemical spectroscopy. He invented the Bunsen cell, the...
Portrait of Dr. Peter P. O'Connor standing with a boy in a laboratory in O'Connor's office in Chicago, Illinois, 1929. The boy is holding a glass...
