The microscope is
supplied with a high power objective made to be used
without the compound body.
NEW IMPROVED POCKET COMPOUND MICROSCOPE
It is adapted for any
purposes a Microscope can be applied, its portability
and magnifying powers will recommend it strongly to the
Naturalist, Mineralogist and Botanist, as it is
furnished with sufficient power for discoverying the
smallest Animalculae, Crystallizations, and Seed
Figure 1 The body of
2-The square Pillar of
the Microscope, on which the stage (fig.3) moves in a
horizontal position up or down by a fine rackwork of
tooth and pinion.
-The Stage which has
springs underneath for holding the slides that contain
the Objects, also a hole for the forceps, fig.6.
4-A Concave Mirror, for
illuminating transparent Objects upon the stage upon
5-A Bug Box, consisting
of a Concave Glass, and a plain one screwed over it, by
which means any Insect may be contained and viewed
alive. This is placed on the stage, fig.3.
6-The Forceps or Plyers,
for holding any Object, by which it may be very readily
applied to the focus of the Lens.
7, 8, and 9-Are three
Lenses of different magnifying Powers, which when used
are screwed on the end of the Microscope, and in order
to give a great magnifying Power, they are made to
screw into each other, by which means you have six
l0-Is an additional
Magnifier of a very deep power to be used singly by
being screwed into the arm of the Microscope, for the
examination of extreme minute objects.
11-A Circular piece of
ivory with one side white, the other black, for Opake
Objects of different Colours and Hues.
12-Is a Plano concave
Glass to be placed on the stage of the Microscope for
the placing any fluid to be viewed.
13, 14, and 15- Three
ivory slides filled with curious Objects.
17-A steel Point to hold
18-A pair of Nippers for
taking up any Object to be examined.
I9-A Camel's Hair Brush
at one end, for cleaning the Glasses, Lenses,
&c.-the other end is cut pen fashion, for taking up
Fluids &c. and readily placing them for view on the
glass of the Bug Box, or Plano Concave, No.12.
20-The whole put together
and screwed on the Box for use.
The London optician
Alexander Mackenzie was active during the period
1816-1858. In the later years (1856-58), he was located
at an address different than that marked on this
similar unsigned example of this microscope is
represented in this collection.