ALABS-A133-118
Categories: Electrostatic Instruments
Fortins Barometer
A glass tube of about 6mm bore is encased in an enameled and lacquered
brass tube, mounted on a polished wooden board with provision for wall
mounting. With chemically engraved, silvered scales, graduated in both
mm and 1/10” accompanied with a Vernier having a least count of 0.1mm or
1/200 inch of mercury that moves with rack and pinion arrangement and
is mounted between the two scales, complete arrangement enclosed in a
glass cylinder. A white reflecting surface behind the scales facilitates
its easier reading. A glass cylinder towards the lower end of the
barometer has an ivory pointer with adjustment screw that provides
fiducial setting point to which the level of the mercury in the cistern
is adjusted before noting the reading. A ring support and three locking
screws at base of instrument provide a mean of securing the barometer in
vertical position. Fitted with a thermometer to read ambient
temperature. Supplied without mercury. Includes instructions for filling
the Barometer
Fortins Barometer ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.