1907] Naturb Studi Ho. 4.1. 225 



NATURE STUDY. No. XLI. 



Manual Training II. The M 



By Mark G. McEi L.D.S 5.. -.^a. 



Perhaps the most interesting of all trades ec 



as some prefer tl 5 that of the mad 



There is a fascination about the cutting- and shaping 

 steel and brass that is [resistible. The stubborn nature 

 materials, the permanence of the produc: the accnrac 

 called forth and above all the perfection ant 

 machines and tools required, all pro T . ride elecn= 

 joy of the worker. 



Take for examp k the modern 1 g : - 



mentc: - rrete mathematics It : an add 

 divide with unal: e riicate ang es 1 



sm?. k - to less 



the tb part of an inch. The ti _ led 



the K g Tc - It is the great c en tral ~z 

 ica'. development. Witt 



s, that poten: : er, 



; impossible. T h e e 



has solved me re r - "--.-_ 



philosophies, all the is a pei 



preceding age 



7 . - t . -r _ 



the mc st potent Under its 



broadening influe ;. ul science and teratnre 



. BfOOC . - ~ . . 



nation, grasp ed his far off arothe 

 near future to become the 



Ler us now consider brief 

 the production of a steam-engine. 



First there si chose - - 



marine or locomot e - r e ream 



turbine. Next comes the gene design - ; _ r 



in its finished state with its description and . tens as T 

 each separate part must have a drawing in detail, groin g . rate 

 measurements of each, with d ros regard ig nates um fin- 



