Mackenzie 15 Cheapside London
New Improved Pocket Compound Microscope c. 1830
Cary-Gould type microscope
The microscope is supplied with a high power objective made to be used without the compound body.
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 Vessels.
Figure 1 – The body of the Microscope
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.
3-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 the stage.
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 different powers.
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.
16-A dissecting Knife.
17-A steel Point to hold the Object.
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 microscope. Another similar unsigned example of this microscope is represented in this collection.
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