
 
		Earths. 
 Salt. 
 Vitriol. 
 ,£2p-  -.  N   A j r ^ U   R  ^ ;L ^   ..HJ  § | O R Y   
 .ilefejofeeLi  J (qq^^qre,  inhabitants  having  their  refources 
 ior me necefi^ip%,gftjlife .froir^Jtjbq  bawflSfyau^nqiS  from  £h© furface  
 of  j^j>} ^if,§^3€Qp§angtais 
 tq  t3|e  j ymff, mislfettjjrid,; Madb  ,bbi®g  uncultivated  
 till  the ^aft ^ges *%  inplinfs ,m§  to^tfiink that a greater quantity  
 of  land wa^xeqqi^G ito m^etyp.-an -a9f^,r and  en  ,a >man  to  the 
 fidered in  the next  place,  that  ffig^o^lacrfi did  not  always  fignify  
 a determinate quantity of ground,  but  ‘ Klatwp. quanfumvis  agrum. Y ’  
 that  i%.  q^^4en|ent  brtfi^kwbdftNCbe iandsiday 
 in  this  cparfe  qandition  there were,no, diyifipns  ,bij|i:.thpfe  of :terib-  
 "ments,  which .were  ufijally  granted  by  the Itords ,pfj,theiSpil in  fuch  
 dimenfiqns  as  contained  many. of  our. ftatute-acrps,  and  in  any  
 quantity which  was  thought  at  that  time  fufficient  for  the  purpofes  
 or  tillage,and;pafturej  h e h c b ^ t h e   Cornifh  acre,  
 meaning  no  mp|^.  than ._a, Cornifh- holding /pr  tenement,  bide.,ox  
 tenure,  including  more  .the  degree  of 
 cultivation -. 
 r;  Eot. making;  porcelain,  as  well  as..preparing  pphres  and mother  
 painting-earths  for  the  artift,  a   great many  clays  and  mineralrearths  
 may  be  found  in Cornwall ° j_  water-mills,, mayr^a^lyf Jj%|p|p^iredj  
 fuel  cheap,  and waiter-carriage  to  London  and  Briftol ^convenient  
 on  either fide  die  county,  that  a  fufficient  undertaker might  at  leaft  
 find  as many encouraging  circumftances to, fet .up  fuch manufactures  
 ip Cornwall  as  any  whqre  jn  England,  f 
 T   &a-Jalt  may  be made  here  as well  as.in^r^chjJBl'itanyj  for  the  
 materials are  the  lame,  and  in  equ^l  plenty  in  both  countries,  and  
 the difference  of  climate  inconfiderable,“   it  being, fopnd  by -eiqae-  
 rience,  lays  a modern  author •,  that  bay dhlt  .made  in  Hampshire  
 (farther.,within  chanel than Cornwall)  is  not  inferior  to  the  bay-falt  
 o f ,Britany :  ..  but. iuppofing, jve  could make  in Cornwall .but; two  
 thirds  of  the fea-lalt which  the  Bretons make,  this,  j f   I  am  rightly  
 informed,  would  very well  anlwer.  There  is  a  place  in  the  parilh  
 of . Senan,  about  .half  a  mile  north  of ..the  Land’s-End,  in  which  
 the. traces  of  felt-works,  carried on  in the  laft  age,  are  Hill  to  be  
 leen;  and  tradition  fays,  that  the  manufacture  mifcarried  not  
 through  any  deficiency  of materials,  or  incongruity  of  fituation,  
 but  through  the negleCt  and  dilhonefty  of  the  perfons  employed. 
 About  the year, 1 747, _,a.  curious, foreigner | -fet  up  a  vitriol manufacture  
 near Reddruth.  The  water  was,:collected  from,  places  
 where  tin was burnt  in  order  to  difeharge  its  mundic,  and  copper- 
 *  See page 84.  ^  *  k: Spelman,  ibid.  IT, 
 1  In Lacy’s Regifter one  hundred  and  twenty,  
 in Spelman one hundred-and iixty,  in  Carew  two  
 hundred^ad feventy ft at ute-acres. 
 81 ' Sèè- page before, I ce Item idem abbas,”  &c.  
 n  .Sec  plav8,  pagc 93»  &c. 
 °N'ât. Hift oF  Cork ƒ  vol. IL  page  25b*1  ;  
 p  Dr. John James Rouby,  now at Plymouth. 
 ores 
 O  T f   ;  C O R   tr .'W   A   L L .  %2I 
 otesCWere, moft 0ualJÿ>w'afhed.  ,,Thi$ water,  ftrongly impregnated  
 wath- the iM e^ particles- which  thefe. ores abound with,  was  firft 
 t S S S ® ?   k T  W Ê Ê Ë Ê Ê   where1 it defied; ril|  the  fediment  fob-  
 mffledjj': a’d®;^Swate^wa^clê^r“-|'it,Vasr  tfien'coWeyed4 into,a  boiler  
 where ufi®fast.klpt conftaririy boiling by à  gentle  
 'fireAf,  fevigjbr ggbt?5âày^:^ ^ E ë n i fKey Tmindit' ready,  that  is  
 by^vaporatimreducedTifa- proper; £efiict^ ÇwhichWhey  diftinguiffi  
 Y ,  . É j§ |H |S Was->draWw  .oft tfirbugH^^féck%  Ihè, bottom, of  
 the/boiler,  éSgf  fet  in -kâdèn tlifierfis^^ylklli-zfe',  the,Tafts  fiioot-  
 mgi roungthbTides- ofiHhfe vdffiV arid  fixing-■ fipbhVpiffib  df' tiinber  
 thrown  im oh%urpbfeM 'CôîlèCt-  theii*.  ^ f ie ;timriTeqriika  for  cry-  
 ftallizaüiÿâWas  eitgggffiree' o i^ ^ td ty s , ^âe.cbAli'flg’l' i j f  the weaker  
 f!0t  ftroagggfapregri&ron of  the Water ^'àbef t^ÿfit'tons* of ^fu’eb,  
 well  impregnated wkhfthe  vitriolic- 'gudïtyvVorild^giyllfÿbm, o f  
 blue,  fine? vftriol|?'^ch  tbn'wcéth  eigh^l^oufids,  ^ ‘M -m l'â n d   
 the  experiee^f  making^elbh^ton  n à ï k k ^ i^ t% y   
 have  been Mértnéd.  mâtèrialsîfor^m§king. this' vitriol" arer'Tq, 
 cheap,  and  in  fuch plenty;  th a t  the Whole; kingdom might g f  Applied  
 with  this  fait  from.Cornwall  alorie^iï^peqeil^yî.  ‘ T ffiViji1 ; 
 But  of  all  arts,  that Which  concerns  moll '.nearly, jshfi/ gefitiêmen Art of aflàv-  
 Qt  this  county .to cultivai,  -is  that  of  àffâyftg;mê^fs,.  àfi-aft whiçb“ 2'  
 ihould  be mrich more  gêfiêÉllÿknown hM"  'than.fitW àt 
 prefent,  in  à fibunty  fp  fëtMPîri  fdïïîîk: ' 
 The  value  ô f  tïii-nre  ;ls;,weft!kriowé;  -of  lead  éot 'M f o f e g i t y ,  
 and  the  agents  of jdieTopper-com^adtes  arb  althdft 'the  only p#fons  
 who, /allay  copper-dre  :  here  therefore  ends  ’all  Our  Hfidmaftic  
 knowlfedgfe,  and we  are  not  only  obliged  to  take  WeT Wdrd of  the  
 may -naturatly  be-fùpppièd  fomqwhàt  ifevour  of  
 himfelf)  asm  our  lead  and 'cop^r,  nut’ ertmcdSklt,  bifmuthf’ j|)el-  
 trt,  manganefe,  and  the, like,  lie u tterly; unknown * and* negleCtpii ; 
 Gréât  pitpit  is  that  fo  many-gentlemen  ôY To'fttme  arid 'inhlrltarice  
 âtf the mine-diâriCls  in  this  bounty may. boaft-of;* can%riS'Jnb'link 
 to  affociate 'themfelves  in  fo  ufeful ‘ a ’defign  as^ that  of  empWihg' a  
 proper  per fori; ;<and  erecting  one  or  more ' affay-offides  whereto  etrery  
 man  at a  finall  expence  fiiight  have  afccefs  for  information,  as to   
 the  value  • of  his ; ore,  and  tfb  nature  of  any  nèW  roffir which  
 occurs. 
 In  feme  counties  publick  premiums,  exhibited  at  the expehce  of  
 a  fubferibing  fociety, Tave  had4 the  defired  effeCt  in  furthering  'un-  
 provemerits-  p f  publick  bfehbfit’j  perhaps  fometfiîng  of  the .fame  
 kind  woul^be  of  rife  fin  thilWcorinty,  and  greatly.’jritoÉÈnbte  the  
 inclofing  cdriitnons;  planting  ’fruit’  and  fotefi-trees, '  faking  die  
 moft  and  beft^iniiTied highways, improving  the, powers, .or  retrenching  
 the  expence  of ^ny  hydfàuljiG  engipp,; difeq^^fe:new md.EQore 
 4  N  "  "   effectual