#On the Name of the Affliction
Glass-speech is the occupational condition of long-service Pillar-Keepers who have listened too faithfully to civic obedience. It begins as a thin tone behind the left ear, advances into murmured condemned names in wind, rain, market chatter, kettle hiss, ladder creak, and marital complaint, and ends when the Keeper can no longer tell whether the city is speaking to him or whether he has become another hollow casting through which the city whistles.
The Bureau of Civic Doctrine classifies the condition as occupational folklore. The Bureau of Mercy classifies it as bell-sickness variant, environmental. The Bureau of Records classifies the dispute under two separate headings so that neither office must pay the pension.
The Keepers call it glass-speech because the glass speaks.
#On the First Tone
The first symptom is usually tinnitus, though the medical sheets use “persistent tonal irritation” because Mercy physicians are paid by syllable. A Ladderhand after his first winter may hear it only after dusk: a glass splinter of sound following the route bell, too high for brass and too steady for wind. He rubs his ear. He blames cold. He drinks more. These are the approved early treatments of every Synod profession.
The tone attaches to routine. Key count. Brine wash. Seal-wire tension. Lantern trim. A Keeper who hears the tone only at the Stack is still considered sound. A Keeper who hears it at table is watched. A Keeper who hears it while his child speaks has entered the second register.
Second-register glass-speech produces names. At first the names are indistinct, consonants without bodies, vowels caught in the teeth. Then the route supplies them. The Stack at South Ration Court (Unregistered) whispers Harl Venn during rain. The bridgehead Stack clicks Marra Doth in sleet. The school-gate Stack breathes a row of tiny traitors into the ear of the man cleaning its lantern housing, because children pass there and the glass has a pig's instinct for cruelty.
#On Acoustic Habituation and Its Withdrawal
In A.S. 191, a sensible operational memorandum recommended rotating Pillar-Keepers between routes every eighteen months to prevent acoustic habituation. The phrase was elegant, clinical, and doomed. A Keeper wedded to one route learns its cracked pins, its bribed angles, its coughs, its bad skulls, its alleys where Mercy Cult prayer-strips appear before dawn. Transfer him and the new route eats him alive. Transfer twelve and the ledgers begin to bleed errors.
Operational Memo A.S. 191 advised route rotation as a protective measure against acoustic habituation.
Withdrawn A.S. 193. The Bureau of Records demonstrated a fourteen per cent rise in seal-wire discrepancies during transition periods. Worker sanity was weighed against documentary continuity. Documentary continuity won, as it tends to do when Records owns the scale.
After A.S. 193, Keepers served their assigned routes indefinitely. Glass-speech stopped being a problem to solve and became a cost to absorb. The Bureau discovered, with the joy of a clerk finding unused margin space, that a damaged worker can remain useful for years if his damage improves his hearing.
#On What the Glass Says
Glass-speech does not usually issue commands. That mercy is reserved for bells, engines, and certain magistrates. It repeats. It inventories. It recites condemned names in patterns the Keeper slowly comes to recognise as route grammar: old names before new ones in fog; children before parents during hard rain; erased names during municipal audits; names from other districts when counterfeit glass has been installed.
Saint Velek's devotees claim the condition is a corrupted form of listening grace. Velek hears the glass before the glass hears us, say the depot men, and a Keeper with glass-speech has merely been allowed too close to the saint's ear. Doctrine tolerates this idiocy because it keeps the workforce praying instead of filing petitions.
Glass-Listeners (Unregistered) treat the condition differently. They place their teeth against Velek cups (Unregistered), listen through iron ribs, and distinguish fracture-song from name-song from the dry little click of counterfeit pins. Their promotion is never written. The route simply stops sending them up ladders and begins sending them into sealed yards with Purity officers who do not introduce themselves.
GLASS-LISTENER SCREENING ADDENDUM Candidate indicators: persistent route-name recall; capacity to identify unlit Stack by sound; absence of self-name panic; willingness to place teeth on diagnostic cup. Disqualifying responses include prayer vomiting, mirror refusal, and spontaneous recitation of names not yet entered in the Index Damnatus. Candidates hearing their own name are to be ████████████████.
#On Mercy's Failure to Treat It
Mercy Ward-Sisters receive Keepers when sleep breaks, jaws lock, and wives begin sending notes that say he answers people who did not speak. Intake forms list insomnia, tooth-grinding, auditory distress, cold-rung tremor, and devotional contamination through embedded inscriptions. Treatment consists of warm cloths, bitter draughts, three nights away from route bells, and instructions to avoid reflective glass. Then the Keeper returns to work, because the Stack does not clean itself and unemployment has never cured hunger.
The Bureau of Mercy has proposed silence weeks, modelled loosely on the treatment of Brand-Singer bell-sickness. Civic Doctrine rejected the proposal after calculating the number of substitute Keepers required. Records objected to temporary custody of route keys. Purity objected to clusters of off-duty Keepers gathered in Mercy wards, where men with shared afflictions might compare what the glass had said.
#On the Final Register
The final register is not deafness. Deafness would be generous and, for that reason, unavailable. The final register is translation. The Keeper hears his own name in the Stack and understands it as a work order. He hears market noise as a list of condemned. He hears rain as wet ink. He hears his wife's breathing as a lantern draft through hollow glass. At that point he stops asking whether the city is speaking. He answers.
Some become depot log-clerks, where their route memory is useful and their hands no longer need rungs. Some count oil. Some vanish into the Glass-Listener pipeline the Bureau does not acknowledge. A few climb one last time, remove a skull without cutting the wire, and leave an empty housing facing their own door.
The file calls those incidents vandalism.

