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THE ORIGINAL FORM OF 'NEW MICROSCOPE' OF POWELL & LEALAND

MAKER: POWELL & LEALAND

MODEL: 'NEW MICROSCOPE'

DATED: 1843

SIGNED ON THE ARM: 'Powell & Lealand, Makers, London' and also dated '1843'

THIS PAGE: OBJECTIVES

P & L orig microscope

There are seven objectives with this instrument. None of the objectives themselves is signed as was usual for the objectives made by both Hugh Powell alone and also by Powell & Lealand. These include the five in the accessory box, and a single objective without original can which came attached to the microscope. A 1/10 inch Hugh Powell objective, the highest power objective, (obviously made by Powell before the partnership with Lealand in 1842), comes in its original can signed:'H. Powell, London, 110.   All the objectives were made with a thread preceding the standard RMS thread, and so were designed to fit only the microscopes of P & L; they would likely not fit others without an adapter. Three of the objectives have Lieberkuhns and they store attached to their respective objectives. Objectives with Lieberkuhns include the 2 inch, 1 inch, and 1/8 inch. The range of objectives available from P & L was wide even then, and included those with correction collars for high power work such as four of the objectives with this instrument including the 1/10th inch objective by Hugh Powell shown here:

correction collar objectives

can Other than the Powell example, shown to the right, the cans are only labeled with the focal length of the objective contained therein.

There are also two spare parts of objectives, one of these clearly attaching to the distal end of an objective, now missing. This objective front contains a very small lens, and must have been part of a high power objective. The image at the bottom of this page shows the objective ends, without the Lieberkuhn's installed.

obj