CHARLES BABBA GE. 195 



improved workshops. Employing Mr. Clements, a skilful 

 mechanist, a portion of the calculating machine, very beautifully 

 constructed, was brought into working order, and its success so 

 far answered the expectations of its projector. But, notwith- 

 standing several additional grants from Government, the outlay 

 on this most expensive kind of work soon exceeded them. 

 The part actually constructed is now placed in the museum 01 

 King's College, London. It employs numbers of nineteen 

 digits, and effects summations by means of three orders of 

 differences. Though only constituting a small part of the 

 intended engine, it involves the principles of the whole. The 

 inventor proposed to connect it with a printing apparatus, so 

 that the engine should not only tabulate the numbers, but also 

 print them beyond almost the possibility of error. 



"At this stage (1834), Mr. Babbage contrived a machine 

 of a far more comprehensive character, which he called the 

 Analytical Machine, extending the plan so as to develop 

 algebraic quantities, and to tabulate the numerical value of 

 complicated functions when one or more of the variables which 

 they contain are made to alter their values. Had this machine 

 been constructed, it would necessarily have superseded what 

 had already been done. Government were not unnaturally 

 startled by this new proposal ; and as about the same time Mr. 

 Babbage's relations to Mr. Clements were broken off, the diffi- 

 culties of the affair became insurmountable. 



" The opinions of men of science are not unanimous as to the 

 great practical importance of calculating tables by machinery ; 

 but the improvements of mechanical contrivance, which the 

 joint skill of Mr. Babbage and Mr. Clements introduced into 

 engineering workshops, are unquestionably of great importance 

 to the arts." 



