"broad statement in regard to ctittin troos. You can do it* 

 Now, tlio object of motion studies should never "be to "bring 

 things to a strndard, "but should "bo to eliminate unnecessary 

 things. Tor inste.nco, ta":e a man laying "briol: in e trench. 

 and a man Ic-yin/; "bricl: in a wall. Mr.Jnorson can say all ho 

 pleas os, "but he cannot compare tP.o motion studies of the 

 felloiT on the \/all to the follc~ r do'.ni in the ditch, 'inhere 

 is no comparison pcscihle. Motion studios aro only effective 

 in-so-far as tho;' aro app?ied to particular conditions at 

 particular tirooc and places, and tho study of raotion studios 

 would avail you nothing undor difforont physical conditions. 

 They aro worthless o::oopt as tlioy stand ai.; an e:-ainple of how 

 to approach sono study. So you can 1.&J do\;n no rule for 

 motion studias. .-11 you cc.n say is this: that \re T/ill sot 

 ahout with t)his one idea in viow; that -/o \/ill eliminate all 

 the unnocossary wor?..: and r.ll t"io c uplication of v/or T : Then 



having; done that, T;O will ap^ly our cost system, ascertain 

 li-ie factors, ascertain variable orrois a:.:d constant errors, 



and then wo are in a position to malro a statement and not 

 until t!iF,t tirao. 



The ne:_t tiling that I want to .v/arn you a.^uinst in 

 start in; out on efficlonc;^ v;or?", io a multiplication of data. 

 It is usually forgot ton 'jhat of fie 1011037 wor"..: cmd efficiency 

 methods apply just ac much in tlie rc;'^Q^'^ of data ac they 



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