||Sturdy aluminum casting encloses heating block
||Painted with enamel paint.
||The heating block is made of aluminum, and gets
heated by two heating elements clamped to its sides. The block accepts three
capillary tubes and a thermometer.
|Heating and Control
||Heating is uniformly carried out by the specially
||1. On-Off switch.
|2. Rotary rheostat for settings the rate of temperature
|3. Low/High switch for selecting 1-2 heaters.
||5OC above the ambient temperature to
|Illumination and Viewing
||This provides uniform illumination of the sample
tubes without any shadow.
||This is used for viewing the sample tubes against
a dark or bright background.
||This is used to select dark or bright background
by rotating a knob on the rear side of the apparatus.
||This supports the thermometer when inserted in
||Cooling Plug: This is a water-cooled metal
plug that can be inserted in the thermometer pocket for rapid cooling of
the heating block.