Second Class Microscope Stands.—Nos. 3 & 4.
No. 3. B e s t S tu d e n t’s Microscope, w ith u p r ig h ts an d jo in ts ,
q u ick an d slow m o tio n s to body, g ra d u a te d sliding
5 eye -pie ces ; th in tu b e , an d two eye-.s ta g^ e ,. w ith v e rtica l
a n d h o riz o n tal a c tio n s b y rackw o rk , slid in g an d re v
o lv in g p lan e s, an d s])ring c lam p in g p ie c e ; d ia p
h ragm with revolving a n d rem o v eah le f ittin g s ;
d o u b le m irro r, w ith le n g th e n in g a rm ; p lie rs,
fo rc ep s, a u d tw o glass p l a t e s .............................................
No. 3. B e s t S tu d e n t’s M icroscope , th e same as above, b u t
with p la in stag e , c o n s is tin g o f s lid in g piece an d
c lam p in g sp rin g ......................................................................
U p rig h t Case fo rN ^ . 3 S ta n d in H o n d u r a s m ah o g an y ,
w ith b o x fo r a])p aratu s
? fo]
12 12 0
8 0
^ case fo r d itto in H o n d u ra s , do v e ta iled . .. 1 6
N o . 4. Sm a lle r S tu d e n t’s M ic roscope, with q u ick a n d slow
m o tio n s to b o d y , o n e eye-piece, slid in g tu b e , stag e
with s lid in g p iec e an d c lam p in g sp rin g , revolving
an d rem oveable d iap h ra gm , single concave m irro r,
p lie rs, fo rc ep s, glass p la te a n d m ah o g a n y c a se 5 10
Apparatus to Nos. 3 & 4 Stands.
No . 3 E y e -p ie c e fo r N o . 3 o r 4 S ta n d ........................................... 0 15 0
In d ic a to r to N o . 1 E y e -p ie c e ............................................................ 0 5 0
do. N o . 2 d o ............................................................. ............. 0 5 0
do. N o . 3 d o ........................................................................... 0 5 0
A c h rom a tic Condenser o f tw o powers, 6 0 ° a n d 2 0 ° o f a p e rtu
re , rackw o rk a n d a d ju s tm e n t to b ras sw o rk .......... 3 0 0
A c h rom a tic Condenser a s above, w ith s lid in g fittin g , a n d n o
a d ju s tm e n t to b ra s sw o rk .................................................. 2 5 0
A c h rom a tic Condenser, o i ....................................................... 1 10 0
NacAei’5 P m m fo r o b liq u e lig h t ..................................................... . 0 18 0
W en h am ’s Pa ra b o lic Refle cto r, with a d ju s tin g s to p .............. 2 10 0
P o la r iz in g A p p a ra tu s o f two Nico l’s P rism s , with revolving
fittin g s , a n d one p la te o f s e len ite .................................. 2 10 0
Two Double Ima g e P r ism s a n d S e len ite F ilm , w ith fittin g s
to E y e -p ie c e , a n d b ra s s p la te with h oles ..................... 2 2 0
C r y s ta ls to show r in g s ro u n d th e o p tic axis an d fitte d to
E y e -p ie c e .................................................................each from 0 10 6
T o u rm a lin es ........................................................................................... from 1 0 0
D a r k e r ’s S e len ite S t a g e ............................ ............................................. 2 2 0
t _
Second Class Microscope Stands.—Nos. 3 & 4.
Apparatus {continued).
£ s. d.
SmaZiConrfcnsinpZ/cases, o n s ta n d ,w ith comp le te m o v em en ts 0 12 0
S id e S ilv e r Reflecto r, o n sta n d , \ r i th com p le te m o v em e n ts ... 1 1 0
D a r k W ells o f th r e e sizes, w ith h o ld e r ............................................. 0 12 6
B rooke’s Double Nose-piece ................................................................. 1 10 0
Camera L u c id a , W o lla s to n ’s 1 0 0
M icrometer, with J a c k so n ’s a d ju s tin g screw a n d fittin g s to
E y e -p ie c e ..................................................................................... 1 0 0
M ic rom e ter fo r stag e , d ivided in to lOOths an d lOOOths o f an
in ch ................................................................................................ 0 10 0
Compressorium ........................................................................................... 1 0 0
D itto , W e n h am ’s, for u s e w ith P a r a b o l a ......................................... 0 7 b
Screw L iv e B o x ....................................................................................... 0 14 6
L a rg e L iv e B o x ........................................................................................... 0 8 6
Sm a ller d itto ................................................................................................ 0 6 6
L a rg e Glass Trough, w ith wed g e a n d sp rin g com p le te ......... 0 8 6
Frog P la te , w ith b a g , &c., c om p le te .................................................. 0 10 6
Glass Tubes, s e t o f th re e ...................................................................... 0 2 6
Three-pronged Forceps ........................................................................... 0 8 6
Microscope Tables.
W a ln u t-w o o d T ab le, with im p ro v ed revolving fittin g , on
h an d som e p illa r a n d claw, \ r i th le a th e r to p 8 8
I ro n T a b le , w ith rev o lv in g to p ............................................................ 5 5
Microscope Lamps.
Im p ro v e d small C am p h in e L am p , with glass cap, to p rev en t
ev ap o ra tio n o f th e sp irit wh en n o t in use
B e s t xYi'gand L am p , w ith b lu e ch im n ey fo r b u rn in g oil
Gas L am p s m ad e to o rd er.
2 2 0
I 5 0