Bulletin MA - 928
A sturdy & heavy aluminium casting forms casing which encloses heating block & controls.Heating block is made up of aluminium & accepts three capillary tubes & a mercury thermometer {Thermometer is optional extra}. The block is heated by two elements clamped on sides. Exterior of casing is finish painted with enamel paint.
Temperature is raised from room temperature to 200°C in 4 to 5 minutes & to 300°C in 9 minutes. Heaters are regulated by a in built controller witch gives an accurate adjustment of the rate of increase of temperature as melting point is approached. Maximum temperature can be obtained is 350°C.
The built in lamp provides uniform & Shadow less illumination of sample tubes that are viewed through a focusable lens against either dark or bright background selected by rotating a knob to rear of the apparatus.
Cooling plug for heating block. This is a water-cooled mental plug for inserting in the thermometer pocket for rapid cooling of heating block. It reduces cooling time considerably.
