Children and Young Persons. 



By the Rev. J. JOYCE. 



1. Scientific Dialogues ; intended for the Instruction 

 and Entertainment of Young People : in which the 

 First Principles of Natural and Experimental Philosophy 

 are fully explained; comprising Mechanics, Astronomy, 

 Hydrostatics, Pneumatics, Optics, and Magnetism, Elec- 

 tricity and Galvanism. — 6 vols, half-bound, \5s. 



2. A Companion to the Scientific Dialogues; or. 

 The Tutor's Assistant and Pupil's Manual in Natural 

 and Experimental Philosophy j containing a complete 

 set of Questions, and other Exercises, for the Examina- 

 tion of Pupils, in the said Volunies of Scientific Dia- 

 logues, and forming a Seventh Volume of that Work. 

 To which is added, A Compendium of the principal 

 Facts under each Department of Science. — half bound, 

 2s. 6d. 



3. Dialogues on Chemistry, intended for the Instruc- 

 tion and Entertainment of Young People: in which the 

 First Principles of that Science are fully explained. To 

 which are added, Questions and other Exercises for the 

 Examination of Pupils. — 2 vols. 9s. 



4. Letters on Natural and Experimental Philosophy, 

 Chemistry, Anatomy, Phisiology, and other Branches of 

 Science pertaining to the Material World. Illustrated 

 with 19 Plates— 12mo. boards, \0s. 6d. 



5. Dialogues on the Microscope, intended for the In- 

 struction and Entertainment of Young Persons, desirous 

 of investigating the Wonders of the Minuter parts of 

 the Creation : containing an account of the Principles 

 of Vision ; and of the Construction and Management of 

 the most improved and generally useful Microscopes. — 

 Illustrated with ten Plates — 2 vols. 12mo. half-bound, 7^. 



6. Catechism of Nature, improved and enlarged. 

 The Tenth Edition, Is. 6d. 



*' Read Nature, Nature is a Priend to Truth." Younc, 



