LEA AND BLANCHARDS PUBLICATIONS. 



POPULAR SCIENCE. 



PHILOSOPHY IN SPORT, M.VDE SCIENCE IN EAFxNEST, 



BEING AN ATTEMPT TO ILLUSTRATE THE FIRST PRIN 



CIPLES OF NATURAL PHILOSOPHY, BY THE 



AID OF THE POPULAR TOYS AND 



SPORTS OF YOUTH. 



FRO.M THE SIXTB AND GREATLY IMFKOVED LONDON EniTION. 



In one very neat royal I8mo. volume, with nearly one hundred illustrations on wood. 

 Fine extra crimson cloth. 



" Messrs. Lea & Blanchard have issued, in a beautiful manner, a handsome book, called ' Philoso- 

 phy in Sport, made Science in Earnest.' Thus is an adniinihle attempt to illustrate the first prin- 

 ciples <if Natural Philosopliy, by the aid of the popular toys and sports of youth. Useful informa- 

 tion is conveyed in an easv. CTaccfnl. yet dieiufied manner, and remlered easy to the simplest imder- 

 standuig. The boolt is an adnuralile one, and must meet with universal favour."— JV. Y. Evening 

 Mirror. 



ENDLESS AMUSEMENT. 



JUST ISSUED. 



ENDLESS AMUSEMENT, 



A COLLECTION OF 



NEARLY FOUR HUNDRED ENTERTAINING EXPERIMENTS 

 IN VARIOUS BRANCHES OF SCIENCE, 



INCLUDING 



ACOUSTICS. ARirmiETIC, CmCMISTRY, ELECTHlCITi', la'PRAULICS, FTi'DROSTATrCS, 



MAGNETISM, MECHANICS, OPTICS, WONDERS OF THE AIR PUMP, ALL THE 



POPULAR TRICKS AND CH.VNGES OF THE CARDS, 4c., ic. 



TO WHICn IS ADDED, 



A COMPLETE SYSTEM OF PYROTECHNY, 



OR THE ART OF MAKING FIRE-WORKS: 



THE WHOLE SO CLEARLY EXPLAINED AS TO BE WITHIN REACH 



OF THE MOST LIMITED CAPACITY. 



WITH ILLUSTRATIONS. 



FRO.M THE SEVENTH LONDON EDITION. 



In one neat royal IPitio. volume, fine extra crimson cloth. 



Tliis work has Ions supplied in.^trurtive amusement to the rrsins eenerations in Ensland, and 



will doubtless 1)0 hailed with pleasure by tliosp of this country who hke (and what Ixiy does nt>tj 



tli« marvellous tricks and changes, eiperunents and wonders afforded by the magic of science and 



iuggkry. 



CHEMISTRY OF THE FOUR SEASONS, 



SPRINT., SUMMER, AUTUMN, AND WINTER. 



AN ESSAY, PRINCIPALLY CONCERNING NATURAL PHENOMENA, AD.MITTING OK 



INTERPRETATION BY CHEMICAL SCIENCE, AND ILLUSTRATING 



PASSAGES OF SCrJPTURE. 



BY THOMAS GRIFFITHS, 



rROFESSOB OP CHFMtSTBT I!» THE MEDICAL COLLF.CiE OF ST. BARTHOLOMEWS nOSrrrxU BTC. 



In one large royal limo. volume, with many Wood-Cuts, eitra cloth. 



- ChemLstry is a.ssuredly one of the most useful and intcrestin? of the natural sciences. Chemi<»l 

 rhauses meet us at evpr>- step, and dunn? every «ea,son, the winds and the ram. tlie hea' «ml the 

 frosts, each h.ive their ;K>culiar and appropriate phenomena. And those who have hitherto re- 

 mained in-«-nsible to these clianjes and unmoved amid siirh remarkable, and often startling re- 

 sults, will l.«e their apatl.v upon readin; the Chemistry uf li.e • Four :>casons. and he Pf^""' »<» 

 enioy the hiuhest inte leetual pleasures. Conceived in a l.appv spint. and wnlten with t.uste and 

 ele-mce the css:iv of Mr. Gnlhll.s r.iniiol fad tn receive tlic iulmiralion of cullivat.-d minds; and 

 th.^ who have liK>ke<l less rarefully into nature's l>eautics. will find themselves led on step by 

 .tetTuntil Ihev real,/,e a new mtellixtual hems. Surh works we helieve, eiert a happv mll.ience 

 over ?<K-i«ty. and hence we hope th.»l the present one may be extensively roaj. —I He nesuru 



