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A picture of the unpublished manuscript “On a new and practical form of voltaic battery of the highest powers, in which potassium forms the positive element” (last page)
This manuscript was created by John Goodman in 1846-7. The paper goes over the creation of potassium in a unique battery arrangement consisting of sulfuric acid, platinum, crude oil, potassium, and copper wire. The author finds that the battery is able to produce current but is unable to get rid of the batteries instability. -
A picture of the unpublished manuscript, "On the gas voltaic battery. Voltaic action of phosphorus, sulphur, and hydrocarbons" (first page)
This resource was created by William Robert Grove in 1845. The paper goes over the various experiments of variations of the gas battery that grove made in 1842. The paper finds that non-conducting metals can be used to create electricity. -
A picture of the unpublished manuscript, "On the gas voltaic battery. Voltaic action of phosphorus, sulphur, and hydrocarbons" (last page)
This resource was created by William Robert Grove in 1845. The paper goes over the various experiments of variations of the gas battery that grove made in 1842. The paper finds that non-conducting metals can be used to create electricity. -
A Proposed Society for General Microbiology
This document details the proposal for the Society of General Microbiology to be established, including why such a society needs to be created, how the society is to be named and operated, the expected rules and guidelines the society aims to follow, and a list of people that are involved, later known as the Society's Original Members and Inaugural Committee. -
A tea plantation in China: workers tread down congou tea into chests
This early 19th-century coloured lithograph, titled A tea plantation in China: workers tread down congou tea into chests, portrays laborers preparing tea for export in a vivid and detailed scene. The anonymous artwork reflects the global demand for Chinese tea and the intensive manual labor behind its production during the height of international trade. -
A Voyage Round the World Chart
Chart showcasing Cook's second voyage, with the pole labeled as the Southern Icy Ocean. -
A Voyage Round the World Text
Text from A Voyage Round the World showcasing the conditions met on the journey, and the search for Antarctica -
A Wardian case being loaded with plants.
A Wardian case filled with plants by a horticulturist. The case is open on one side to allow for loading. The side of the case is labeled to indicate a return to the Royal Botanic Gardens, Kew. -
Advertisement for quinine treatments for malaria.
An advertisement for two different quinine treatments for malaria; quinine bisulphate and quinine sulphate. Marketed as of "exceptional purity". -
Airflow through the (Concorde) power plant
Demonstration of airflow throughout Concorde power plant in different stages of flight. As the Concorde's engine could only use air flowing at about 300 miles per hour at the fastest, the power plant includes adjustable ramps to slow down airflow from Concorde's top speed of ~1300 mph to a usable range. Also include reverse thrust demonstrations.