A few weeks ago I made a post about Flicker Lamps. Magical communication devices used in the early days of exploration in my Sprawling Iron series. While they became an essential part of managing large empires they were hard to mass produce and had several properties that made security difficult. Furthermore, the could only be given to specific individuals and could not be distributed by governors as needed.
This limitation proved to be especially inconvienient when it became more important to be able to communicate with agents sent to unexplored lands or diplomats dispatched to negotiate with local governments. Eventually, sorcerers devised a new means to rapidly communicate over long distances. Sparrows.
These ceramic birds are small enough to fit in the palm of a person’s hand and infused with a minor air spirit capable of animating the clay and providing it the power of flight. A person wishing to send a message via sparrow must first hold an image of the intended recipient in their mind as well as their general location. Once they do this the sparrow will animate and the user can speak their message allowed. After the sparrow hears the message it will take flight and attempt to find the intended recipient, once it does it will repeat the spoken message and be ready to used again. In some cases, written messages and maps may also be tied to small loops on the bottom of the construct.
Sparrows are small enough that ships, armies, and individuals can carry many of them and allow regular reports to made. But they do come with some limitations.
- Distance – sparrows have a limited range, typically not more than a few hundred kilometers. For longer messages they are typically sent to a central administrative hub the possess a flicker lamp or telegraph office capable of passing on the message.
- Recipient Identity and Location – the sender must know the recipient and their general location. If either of these are incorrect the sparrow will not be able to deliver its message and will not give its message to anyone else.
- Message Erasure – once the message has been repeated there is no way to get the sparrow to repeat it. Recipients must be sure that they are paying attention and hope that they are in a quiet place.
To get around these limitations, many governors and administrators have at least one person on staff tasked with receiving sparrows and accurately transcribing these messages. Oftentimes they are given special quarters and offices in secluded areas to ensure that they have access to a quiet environment and are relatively free from intrusion. These sparrow handlers are often targets of bribes and even assassinations as eliminating or compromising them can disable an enemy’s communication network.
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