MISCELLANEOUS. 729 



HAMILTON (HUGH). Philosophical essays on the ascent of vapours, the 

 formation of clouds, rain and dew, and on several other phenomena of 

 air and water; observations and conjectures on the aurora borealis and 

 the tails of comets; on the principles of mechanicks. 12 London, 1767. 



HAMILTON (WILLIAM). Letters concerning the northern coast of the 

 county of Antrim, containing a natural history of its basaltes, with an 

 account of such circumstances as are worthy of notice respecting the an- 

 tiquities, manners and customs of that country. 8 Lyndon, 1786. 



HAMILTON ( W. R.). Third letter to the Earl of Elgin on the propriety 

 of adopting the Greek style of architecture in preference to the Gothic 

 in the construction of the new Houses of Parliament. 8 London, 

 1837. 



Second letter to the Earl of Elgin on the propriety of adopting the 



Greek style of architecture in the construction of the new Houses of 

 Parliament. 8 London, 1836. 



HAMSTEAD (JAMES). An essay to explain the cause of the principal 

 phenomena in nature. 8 Loiidon. 



HANSCHIUS (MICHAEL GOTTLIEB). Epistolae ad J. Keplerum scrip- 

 tae, inserfis responsionibus quotquot reperiri potuerunt ; opus, quo recon- 

 ditae Keplerianae doctrinae capita explicantur, nunc primum cum prae- 

 fatione de meritis Germanoruin in mathesin ex MSS editum. fol. Lip- 

 sice, 1718. 



H ANWA Y (JONAS). An historical account of the British Trade over the 

 Caspian sea, with a journal of travels from Russia into Persia ; to which 

 are added the revolutions of Persia during the present century, and an 

 account of Nadir Kouli; 4 vols. 4 London, 1753. 



HARRINGTON (ROBERT). Experiments and observations on Volta's 

 electrical pile, clearly elucidating all the phenomena ; also observations 

 on Dr. Herschel's paper on light and heat; with other remarks. 8 

 Carlisle, 1801. 



HARRIS (JOHN). Lexicon technician, or, an universal English Dictionary 

 of arts and sciences, fol. London, 1704. 



HARRIS (WILLIAM). A catalogue of the library of the Royal Institution 

 of Great Britain. 8 London, 1809. 



HARRISON (JOHN). A description concerning such mechanism as will 

 afford a nice or true mensuration of time ; together with some account 

 of the attempts for the discovery of the longitude by the moon ; as also 

 an account of the discovery of the scale of music. 8 London, 1775. 



HARRISON (JOHN & WILLIAM). The principles of Mr. H.'s time- 

 keeper; with plates to the same [and a preface by Maskelyne]. 4- 

 London, 1767. (Two copies.) 



Principes de la montre de Mr. Harrison ; Fr. Sf Lng.; [to which 



is added in French only] Resultat des observations de Mr. Maskelyne 

 siir la montre de Mr. Harrison. 4 Avignon, 1767. 



HARSDORFFERN (GEORO PHILIP). Delitia; philosophic^ et mttthema- 

 ticfe, der philosophischen und mathematischen Kr<|nickstiiiideii ; 8" & 

 3 er theil. 4 N'drnberg, 1653. 



HATZFELD (JoiiN CONRAD FRANCIS de}. The case of the learned re- 

 presented according to the merit of the ill progress made m arts and 

 sciences, chiefly in philosophy, of which the author gix- a ...- system, 

 shewing, i, the cause of gravity and attraction to be far from depend,..; 

 either on the Cartesian or Newtonian principles; .., rhal nature is, and 



the effects it is capable of;.. .and shews that Sir I. Newton over- 



turn'd religion; in, how vice may be WppfWd and virtue encreased; 



