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	Title:	Subject:	Description:

1.	Chronology of Benjamin Franklin, founder of the American Philosophical Society	Franklin, Benjamin, 1706-1790.	A chronological listing of personal and public events in the life of Benjamin Franklin, including his publications, inventions, and diplomatic endeavours.

2.	Ben Franklin's other library : the Pennsylvania State Library.	Franklin, Benjamin, 1706-1790 -- Libraries. State Library of Pennsylvania -- History. Libraries -- Pennsylvania -- History.	A history and description of the State Library of Pennsylvania at its 220th anniversary. Acknowledges the Benjamin Franklin's "participation was on a technical basis only, as that of a clerk who was requested...

3.	Rare Book Room Construction Photographs	State Library of Pennsylvania; Assembly Collection (State Library of Pennsylvania)	A series of 20 photographs taken in December 2005 that show the state of construction in the new Rare Books and Special Collections area at the State Library of Pennsylvania, Harrisburg, PA. (Please note:...

4.	Report on lightning conductors for the powder magazines at Purfleet, to the president and council of the Royal Society. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Lightning rods. Powder magazines -- Great Britain.	Benjamin Franklin -- with fellow committee members H. Cavendish, William Watson, and J. Robertson -- reports on the construction and arrangement of the British powder magazine at Purfleet, and then describes...

5.	Extracts from sundry letters between Dr. Franklin, William Brownrigg, and the Rev. Mr, Farish, 1770-1773 : on the stilling of waves by means of oil. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Oils and fats. Water. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin and others exchange information on the observed phenomenon that a small amount of oil will spread widely over the surface of water and calm the movement thereof. They speculate about...

6.	Queries from Mr. Strahan and Dr. Franklin's answer. From: Memoirs of the life and writings of Benjamin Franklin... / written by himself to a late period, and continued to the time of his death, by his grandson, William Temple Franklin : comprising the private correspondence and public negociations [sic] of Dr. Franklin, and his select political, philosophical, and miscellaneous works, published from the original mss. 3rd ed. London : H. Colburn, 1818.	Great Britain. -- Stamp Act (1765) United States -- History -- Colonial period, ca. 1600-1775.	Benjamin Franklin answers a series of questions put to him by his English friend, the printer William Strahan. The central focus is how to far the British will have to go to restore civil tranquility in...

7.	Physical and meteorological conjectures, observations and suppositions, 1756. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Meteorology. Franklin, Benjamin, 1706-1790 -- Knowledge -- Physics.	Benjamin Franklin collects various notes on matters of interest to him, dealing especially with matters of warm and cool air, moisture content in the atmosphere, wind, and other weather conditions.

8.	Letter, 14 June 1783 : on the shock by the electric bottle, and the density of glass. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Electricity -- Early works to 1800. Electricity -- Experiments -- History -- 18th century. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin comments on past experiments with electricity. As his final advice, he writes, "I see you are endowed with a genius for the study of nature, and I would recommend it to you to employ...

9.	Letter to Dr. Ingenhausz, 16 May 1783 : on an electrical experiment. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Electricity -- Early works to 1800. Electricity -- Experiments -- History -- 18th century. Franklin, Benjamin, 1706-1790 -- Knowledge -- Physics. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin comments on the results of an electricity experiment conducted by Ingenhausz.

10.	Narrative of the late massacres, in Lancaster County, of a number of Indians, friends of this province, by persons unknown : With some observations on the same.	Paxton boys. Conestoga Indians. Pennsylvania -- History -- Colonial period, ca. 1600-1775.	Benjamin Franklin decries the recent massacre by the self-styled Paxton Boys of peaceful Native Americans belonging to the Conestoga tribe in Lancaster County, Pennsylvania, and the subsequent murder by...

11.	Letter to David Rittenhause, 20 November 1788 : new and curious theory of light and heat. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Light -- Early works to 1800. Heat -- Early works to 1800. Fire -- Early works to 1800. Franklin, Benjamin, 1706-1790 -- Knowledge -- Physics. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin describes a theory of the interconnectedness of light, heat, and fire. All are examples of the same substance. Franklin writes that "universal space, as far as we know it, seems to be...

12.	Letter, 1762 : on fire. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Fire. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin describes his theories concerning the nature of fire and "the operation of fire upon fuel with the assistance of air." Noting that different types of substances burn more easily than...

13.	Description of the process to be observed in making large sheets of paper in the Chinese manner , with one smooth surface. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Papermaking -- Europe. Papermaking - China -- Early works to 1800.	Benjamin Franklin describes how large sheets of paper are made in Europe. He also describes papermaking in China by way of contrast. This description was "communicated by Dr. Franklin to the American Philosophical...

14.	Letter to the Marquis Turgot, 1 May 1781 : on a new invented stove. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Stoves. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin describes the construction and operation of a recently-designed stove, concluding that "it is capable of being used to advantage in our kitchens, if one could overcome the repugnance...

15.	Letter to a friend in Boston, 25 December 1750 : on an electrical experiment gone awry. From: The complete works of Benjamin Franklin; including his private as well as his official and scientific correspondence, and numerous letters and documents now for the first time printed, with many others not included in any former collection, also, the unmutilated and correct version of his autobiography. Comp. and ed. by John Bigelow. New York and London, G. P. Putnam's sons, 1887-88.	Electric shock -- Physiological effect. Electricity -- Early works to 1800. Electricity -- Experiments -- History -- 18th century. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin describes the physiological effects of an accidental electric shock he received when he was "about to kill a turkey by the shock from two large glass jars." Writing two nights later he...

16.	Account of the new invented Pennsylvanian fire-places: wherein their construction and manner of operation is particularly explained; their advantages above every other method of warming rooms demonstrated; and all objections that have been raised against the use of them, answered and obviated. With directions for putting them up, and for using them to the best advantage. And a copper-plate, in which the several parts of the machine are exactly laid down, from a scale of equal parts. Philadelphia : Printed and sold by B. Franklin, 1744.	Fireplaces. Stoves, Wood. Dwellings -- Heating and ventilation.	Benjamin Franklin describes the recently-invented 7 plate wood stoves then in use. He first writes of various kinds of fireplaces and stoves in current use. Then he describes the construction and use of...

17.	Letter to Peter Collinson, 18 April 1754 : on electrical charges in clouds. From: The complete works of Benjamin Franklin; including his private as well as his official and scientific correspondence, and numerous letters and documents now for the first time printed, with many others not included in any former collection, also, the unmutilated and correct version of his autobiography. Comp. and ed. by John Bigelow. New York and London, G. P. Putnam's sons, 1887-88.	Electricity -- Early works to 1800. Electricity -- Experiments -- History -- 18th century. Franklin, Benjamin, 1706-1790 -- Knowledge -- Physics. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin describes two experiments to determine whether an electrical charge is positive or negative. He also describes the observations of a Mr. Kinnersley regarding the electrical charge in...

18.	Letter to B. Vaughan, 31 July 1786 : on the pernicious quality of lead, colica pictorum from rain-water, &c. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Lead-poisoning -- Early works to 1800. Lead -- Environmental aspects. Lead based paint. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin discusses various aspects of lead poisoning, including occupational hazards in the printing trade, dangers from lead based paint and lead gutters in construction, and a brief survey of...

19.	Letter to Dr. Ingenhausz, 2 October 1781 : on conductors of heat &c. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Thermal conductivity -- Experiments. Metals -- thermal conductivity. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin encourages Ingenhausz in his scientific pursuits. Franklin then suggests some things to try should the latter's experiments on heat transfer in wires be repeated.

20.	Letter to Thomas Ronayne, 20 April 1766 : on the electricity of fogs. From: Memoirs of the life and writings of Benjamin Franklin ... / written by himself to a late period; and continued to the time of his death by the grandson, William Temple Franklin; comprising the private correspondence and public negociations [sic] of Dr. Franklin and his select political, philosophical, and miscellaneous works, published from the original mss. Second edition. London: Printed for Henry Colburn, 1818-1819.	Electricity -- Early works to 1800. Electricity -- Experiments -- History -- 18th century. Franklin, Benjamin, 1706-1790 -- Knowledge -- Physics. Franklin, Benjamin, 1706-1790 -- Correspondence.	Benjamin Franklin explains his theory of positively and negatively charged clouds, and describes an experiment designed to investigate the same.

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