Hetookfrombeneathaglass，apieceofminutemachinery，whichhe
setinthecondensedlightofhislamp，and，lookingintentlyatit
throughamagnifyingglass，proceededtooperatewithadelicate
instrumentofsteel。Inaninstant，however，hefellbackinhis
chair，andclaspedhishands，withalookofhorroronhisface，