3 
4 * uyc; 
CHAP. V. 
Of the Double Reflecting Microscope, 
T HE Double Reflecting Microfcope in 
Ufe at prelent (whofe Picture with, 
its Apparatus is feen Plate III.) is an Altera¬ 
tion and Improvement, by Mr. Culpeper 
and Mr. Scarlet, of Mr. Marshal's 
large Double Microfcope; than which it is 
lefs cumberfome, may be managed with 
much more Eafe, and, by means of a re¬ 
flected Light, is capable of fhewing Objects 
in a clearer and more pleafing Manner. 
The Body of this Microfcope A A A A, 
being a large Tube, is fupported by three 
Brafs Pillars bbb, riling from a wooden Pe~ 
dedal C in which Pededal is a Drawer D, 
to hold the Objed-Glades and other Parts 
of the Apparatus; 
A lefier Tube, e e , Hides into the greater, 
and fends from its Bottom another Tube 
much fmaller than itfelf, f with a male 
Screw g , at the End thereof, whereon to 
fcrew the ObjeCt-Glafs or Magnifier. 
There are five of thefe Magnifiers, num¬ 
bered 1.2.3. 4 * 5 * which Numbers are alfo 
marked on the inner Tube, to direCi where¬ 
about to place it according to the Magnifier 
made ufe of: but if then it fits not the Eye 
exactly, Aide the inner Tube gently higher 
©r 
