Question

Describe the signal when smith give to holmes

Answer 1

The Adventure of the Dying Detective", in some editions simply titled "The Dying Detective" ... Once Watson explains his errand on behalf of Sherlock Holmes, Smith's ... Inspector Morton then enters — the full gaslight was the signal to move in. ... This gives Sherlock a chance to hear Culverton's confession via a recording ...

Answer 2

The signal smith gives to holmes is called as Holmes signal

Explanation:

• This holmes signal is evolution of gas that is produced due to chemical reaction.

• The chemical reaction is the reaction  calcium phosphide and clacium carbide mixture with water

• This reaction gives out Phosphine gas

• This phosphine gas  helps in guiding the ships that sails on the sea to reach the destination

• In the ships , the mixture is filled in a container with hole at the top and bottom.

• Then the container is thrown into the sea , the water enter through the hole and reaction occurs giving out phosphine gas.

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