( 10 ) 
Dr. Henri van Heurcks Microscope 
SONS TO 
Dr. VAN 
of utmost 
not liable 
t Objec- 
Glass. 
mtal or 
SONS TO 
Dr. VAN 
of utmost 
not liable 
t Objec- 
Glass. 
mtal or 
W. Watson 
Sons, 
313 High Holborn, 
LONDON, W.C. 
AND AT 
78 Swanston Street, 
Melbourne, 
Australia. 
Awarded 28 GOLD and other Medals at the principal International Exhibitions of the World. 
FOR HIGH-POWER WORK AND 
PHOTOMICROGRAPHY, 
AS MADE BY W. WATSON & 
THE SPECIFICATION OF 
HEURCK OF A 
Fitted with Fine Adjustments 
sensitiveness and precision, 
to derangement by wear. 
Has Hackwork Draw -tube to adjusl 
tives to the thickness of Cover 
Can be used with either Continental 
English Objectives. 
Fine adjustment to Substage. 
The Stand specially designed to give the 
utmost convenience for manipulation. 
As Figured, with 1 Eyepiece .. £18 10s. 
Also made with Continental form 
of foot £18 
Without Rackwork to Draw-tube £16 
Full description of the 
above instrument, and 
Illustrated Catalogue of 
Microscopes and appa- 
ratus, also classified 
list of 40,000 Micro- 
scopic Objects for- 
warded post free on 
application to 
