Laboratory and Chemical Effects


Laboratory sets are either comedic or semi-practical. In both cases, unless they are required simply for dressing, something must be seen to happen. In the comedy arrangement it is usually sufficient to fill a few chemical flasks with brightly coloured liquids and to prime them with small pieces of dry ice prior to a take. But for implied realism more subtle effects are required.

Chemical equipment

A suitable arrangement of chemical flasks, glass tubes and rubber hoses can be made to work automatically if a piece of dry-ice is placed in a flask of warm water connected to the system. The released carbon dioxide bubbling along the various glass tubes makes the whole thing appear busy. Colouring of the water in ...

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