ALABS-A133-053
Categories: Electrostatic Instruments
Fortins Barometer
A glass tube of 6mm bore is contained in an
enameled & lacquered brass case, mounted on a polished wooden board
with plates for fixing to wall, open plate reflectors & ring &
screws for vertical adjustment. The silvered scales, graduated in inches
& mm are read by vernier moving by Rack & pinion to 1/200 in
& 1/10mm & are enclosed in glass cylinder. A glass cylinder at
the lower end of the barometer is provided with an ivory point to which
the level of the mercury in the cistern is adjusted before readings are
taken. A ring support & three locking screws at base of instrument
provide a means of securing the barometer in a vertical positions.
Fitted with thermometer with centigrade & Fahrenheit scale. Supplied
without mercury but with instruction for filling the barometer.
Fortins Barometer ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.