
 
        
         
		PRICES  OF  THE  THIRD  CLASS, 
 EDUCATIONAL  MICROSCOPE 
 APPARATUS. 
 T h is  Mic roscope  is  in te n d e d   to   m ee t  a  w a n t  th a t   h a s  b e e n  m u ch   fe lt  
 b y  s tu d e n ts   an d   o th ers , who h av e  b e en  d esirous o f  po ssessin g   aii  in s tru m 
 e n t  e q u a l  to   th e ir   req u irem e n ts ,  w h e th e r  in   Ph y sio lo g y ,  C h em istry ,  
 o r  th e  m in u te   fo rm s  o f  a n im a l  o r veg e tab le   life, b u t   h av e  n o t  b e en   able  
 o r  n o t  d isposed  to  in cu r th e  co st o f  such as a re la rg e r o r m o re  elab o ra te .  
 To   th e s e ,  th a t   which  is  now  s u bm itte d   to   th e ir   n o tic e   is  be liev ed   to  
 offer  p e c u lia r  a d v a n ta g e s ;  in   th e   convenience  o f   its   s tru c tu re   an d   its  
 ve ry  m o d era te   price,  in   co n n ex io n  with   its   c ap ab ilitie s  an d   th e   q u a lity   
 o f  its  w o rkm an sh ip . 
 T h e   M ic roscope— w ith   1  in ch   an d   ^   in ch   Ob ject-Glasses,  
 h av in g   th e  resp ectiv e  apertm-es  o f  2 2   a n d   75  degrees,  
 an d   two  E y e -p ie c e s ;  a  firm   S ta n d  with   a  jo in t  fo r  
 v a il in g   th e   p o s itio n ,  q u ick   a n d   slow m o tio n s   to   th e   
 b o d y ,  a  S ta g e  w ith   sp rin g s   th a t   allow  an y  m o tio n   to  
 b e  g iv en  to  th e   o b je c t;  concave M irro r with  comp le te   
 a d ju s tm e n ts ;  a   side  C o n d en sin g   L e n s ;  Diap h ragm   
 w ith   a   s h u t t e r ;  F o r c e p s ;  Glass  P la te ,  a u d   p a ir  o f  
 P lie r s ;  p a c k ed   in  a   s tro n g  M ah o g an y   C a s e ................... 
 ADDITIONAL  APPARATUS. 
 M a h o g an y   B o a rd ,  r eq u ired   fo r  p a c k in g   an y   o f  th e   following 
 p a rts   ............................................................................................... 
 L ie b e rk u h n   to   1  in ch   o b jec t-g la ss,  a n d   d a rk  well  ................... 
 W e n h am ’s  P a rab o lic  R e fle cto r, fo r “  d a rk -fie ld  illum in a tio n ”  
 F l a t  M irro r  (in  which  case,  a   d o u b le   o n e   is  s u b s titu te d   for  
 th e   single   concave  o n e which h a s   to   b e   re tu rn e d )   ...  
 P o la riz in g  A p p a ra tu s ,  com p le te   with  p rism s  an d   s e len ite   ... 
 W o lla s to n ’s  C am e ra   L u c id a,  fo r  d raw in g   an   o b je c t................... 
 Glass M ic rom e te r,  ru le d   in to   a n d  yyko-ths  o f  a n   in ch . 
 Sm all  L iv e   B o x   ........................................................................................... 
 Glass  T ro u g h ,  com p le te  with   wedge  an d   sp rin g   ........................ 
 All  th e   above  “ A d d itio n a l A p p a r a tu s ”   if  o rd ered   a t   o n c e  ... 
 £ d. 
 10  0  0 
 0 7 6 
 0 12 0 
 1 0 0 
 0 7 6 
 1 12 6 
 0 15 0 
 0 5 0 
 0 6 0 
 0 fi 6 
 5 0 0 
 Microscopic Objects. 
 [Pe rsons  liv in g   in   the  co u n try   can  have  series  o f  Objects  sent f o r   selection, 
  on g ivin g  a sa tis fa c to ry   town-reference, a nd p a y in g  carriage both  
 w a ys.  One week w ill  be  allowed f o r   e xamination.^ 
 V eg e tab le   P re p a ra tio n s  :—   £ 
 R e c e n t:  Cells,  Cu ticles,  D u c ts ,  F ib re ,  M em b ran e, 
 Sp o res,  S p o ru le s,  Tissu es,  S p ira l  an d   o th e r  Vessels, 
 H a irs ,  Le av e s,  P e ta ls ,  F u n g i,  Sectio n s  o f   W o ods, 
 &c........................................................................... e ach   specim en  0  1 6 
 F o ssil :  Se c tio n s  o f  v a rio u s  ex o g en o u s  an d   en d o g en o u s 
 W o o d s  .................................................................each  sectio n   0   1  6 
 Slides, w ith   two  an d   th re e   s e c tio n s ......................  0   3   0  an d   0  4  6 
 Desm id ieæ  an d  A lg æ ............................................................each  slid e  0  1 6 
 Dia tom a c eæ  ;— Recent  :  Several h u n d re d  vaideties, in clu d in g   
 species  o f  Cam p y lo d iscu s,  Cocconema,  E p ith em ia , 
 Navicula,  Su rire lla , S y n ed ra, h e .— F o s s il:  Specimens  
 from   vario u s  lo ca litie s  in   th e   B ritish   Isla n d s ,  G e rm 
 an y ,  I ta ly ,  N o r th   Am erica,  th e   E a s t  a n d   W e s t 
 In d ie s , New  Zealand,  &c..........................................................   0   1  6 
 S picules  a n d   Gem mu les  o f  S p o n g e s  a n d  G o rg o n ias  ..............  0  1  6 
 Zoo p h y te s, m an y   species  ......................................................................   0   1  6 
 S h e lls^ se c tio n s  o f various  species    ..............................................   0  1 6 
 E c h in u s   Sp in es,  se ctio n s  in   g re a t  v a rie ty .......................................   0   1 6 
 E n tom o lo g ic a l  P re p a ra tio n s   : — 
 A n te n næ ,  E y e s,  F e e t,  H a irs ,  Scales,  S kins,  Spiracles, 
 S tin g s,  S tom a ch s,  T o n g u e s ,  T ra ch eæ ,  V in g s,  &c. 
 Num e ro u s   specimens  o f Acari  a n d   P a ra s ite s   ..............  0   1  6 
 H a irs , W h isk e rs   o f   v a rio u s  Anim als  m o u n te d   whole  o r  in 
 s ection,  Qu ills,  F e a th e rs   o f  Birds,  h e ................................  0  1  6 
 Ob je c ts  from  H um a n   an d   o th e r   Bodies  .......................................   0  1  6 
 An a tomic a l  P re p a ra tio n s  :— 
 Blo o d -Discs, P igm e n t-C e lls , Sk in , M u scu la r F ib re ,  T is sues, 
   &c  from   0  1 6 
 Bo n es :— 
 T ran sv e rse   a n d   V e rtic a l  Se c tio n s  o f   60  o r  70  R e c e n t  
 a n d   F o s s il  M am m a ls,  Bii’ds,  R e p tile s ,  a n d   Fishes 
 each  slide  0   1 6 
 T e e th   :— 
 T ran sv e rse   an d  V e rtic a l  Se c tio n s  o f  a b o u t  3 0  varieties, 
 R e c e n t  an d   F o s s il    each   0  2   0 
 In je c te d  P r e p a r a tio n s .......................................................................from   0  2   6 
 Polar iscope  Ob jects,  a b o u t 100,  s e le c ted  from Animal, V e g e tab 
 le ,  an d  M in e ra l  S u b s tan c e s   ...................................each  0  1 6 
 M in eralo g ical :— 
 Sections  o f   L im e sto n es,  O o lite s ,  F lin ts ,  A g a te s,  &c. 
 each   from   0   1 6 
 Cabinets for Objects, 
 in which  th e   Specimens  lie   flat,  an d  with   P o rc e la in   L ab e ls   to  th e   
 Drawers. 
 Be st  S{ianish  Ylahogany  C a b in e t,  with   glass  panel,  a u d   to 
 h o ld   LOGO  ob jects      7  0 
 I lo u d u r a s   d itto , with o u t  glass  p a n e l     6  6