8A
ANALYTICAL
CHEMISTRY
New Binocular de Fonbrune Micro-forge Extends
potential
application
of any
micromanipulator
Micro-probes,
scalpels,
needles
and other
tools made
to exact
specifications
under
controlled
conditions
T h e improved de Fonbrune micro-forge with stereoscopic microscope is an indispensable accessory for all types of micromanipulators. With this convenient micro-forge, micro-pipettes, micro-scalpels and numerous other micro-instruments are fabricated under accurately controlled conditions. Only little practice is necessary for an investigator to acquire skill in manipulating the various controls in manufacturing micro-tools. Ready availability of standard and special micro-tools often proves of genuine advantage in utilizing the full potentialities of the micromanipulator in both routine and special studies. Binocular body provides three dimensional vision
de Fonbrune Micromanipulator Uniform pneumatic
movement
The de Fonbrune micromanipulator, manufactured under exclusive license to the French patents, affords new simplicity and flexibility in micro-studies. It is equally suitable for biological or clinical technics. The micromanipulator consists of a manipulator and receiver. These units may be used with any type of microscope . . . arranged for right- or left-hand operation. Within a range of 3 mm, the micro-tool is moved in any plane or direction by a single control lever. Ratio of displacement between lever and micro-tool may be adjusted from 1:50 to 1:2,500.
T h e micro-forge is basically a combination of optical and electric forge units. In the improved model, the optical system includes a microscope with inclined binocular body in place of the monocular type. This stereoscopic microscope not only provides three dimensional vision but also shows the image erect. T h e microscope is equipped with 4X paired objectives and 9X paired wide field eyepieces. These optics provide a magnification of 36X with a large working field. T h e electrical forge is mounted on an adjustable stage directly in front of the microscope objectives. Two insulated clamps support the cylindrical eleetrodes connected by a platinumiridium filament providing temperatures from about I20°F. to 300O°F. Air jets are also mounted on the stage. T h e lamp housing is set opposite the objective and forge unit. A pivoting spindle for supporting the material is mounted at the periphery of a disc in front of the lamp housing. Both spindle and disc may be rotated about their own axis and the entire assembly adjusted vertically or horizontally. Controls are provided for adjusting the light to the objective. A detailed manual of instructions is furnished with each micro-forge. Accessory equipment including the air pump, rheostats, and transformer is contained in the base. The entire unit is finished in baked-on gray enamel. Write for prices and descriptive bulletin T114
aloe scientific 5655
Kingsbury
·
DIVISION OF THE A. S. ALOE COMPANY
St. Louis 1 2, Missouri
