Echoing Monolith

The Echoing Monolith is a standing stone of dressed basalt, 4.1 metres in height, installed on Floor 611 (the Lapidary Landing) and catalogued under the Tower's mineral-resonance schedule as object 611-ML-3. It is the only object in the archive known to return a certified Echoing Silence to a speaker who has already left the room. Whether it does so by design or by defect has been the subject of six Concordance amendments and one unresolved inter-office grievance.

Description and measurement

The Monolith is rectangular in section, 0.9 metres by 0.7 metres at the base, tapering by roughly eleven millimetres per face toward a shallow pyramidal cap. Its four lateral faces are uninscribed. The cap bears a single incised mark, identified in the survey of the Lapidary Landing survey as a worn instance of the Sigil of Attenuation, though the incision is shallower than the depth prescribed for Echoing Desks under Ordinance 702-b and predates that instrument by an estimated four centuries.

Resonance readings taken at the base average 3.4 on the Sustained Resonance Index, rising to 6.1 at the cap. Readings above 5.0 generally indicate a stone capable of retaining utterance for longer than a single sitting; the Monolith retains considerably longer than that, and the Index has no upper tier for what it does.

Discovery and installation

The stone was recovered during the widening of the north stair of Floor 611 in the winter of the year recorded as 611/14, when a masonry gang under the Custodian of the Silent Step struck it at a depth of two metres below the landing surface. Work halted for nine days. The Librarians were notified by memorandum rather than by formal petition, a procedural irregularity later cited in the Dispute of the Nine Days.

Installation at the landing's centre was approved on the reasoning that a resonance object should stand where it may be observed. It was not then known what observation would consist of. The stone was set on a plinth of matched basalt and has not been moved since, though Fourth Concordance, Annex 2 requires every resonance object to be re-sited once per recension. The Monolith is exempted by marginal note, the note's author unrecorded.

The Echoing Silence of 611/31

The Monolith's characteristic effect was first documented by the clerk Aurelia Venn, then third amanuensis to the Lapidary Landing, on an evening she records as the thirty-first of the eleventh month of 611/31. Having delivered a procedural objection to an empty chamber, Venn left the landing by the north stair. Some four minutes later, from three floors below, she heard her objection returned in her own voice, complete to the pause she had made before the word "furthermore."

"The stone does not repeat what is said to it. It repeats what is said to it after the saying is finished, and it does so only where the saying was not answered."

— Aurelia Venn, Observations on the Lapidary Landing, folio 12

Venn's account was certified as an Echoing Silence by the Chamber of Echoing Precedents in 611/33, on the precedent of the Case of the Echoing Folio, and a Resonance Veil was hung at the stairhead the following year. The Veil was removed in 611/36 after objections that it muffled the stone, which is the only occasion on which a Resonance Veil has been removed on the complaint of the object it was protecting.

The question of the unanswered

Scholars agree that the Monolith returns only utterances that received no reply. They do not agree on what constitutes a reply, and the disagreement has hardened into two positions. The Chamber of Echoing Precedents holds, following Seventh Concordance, clause 11 and the certifications it has issued since, that any formal acknowledgement — a nod, a note in the register, a word from a passing Custodian — constitutes an answer and extinguishes the resonance.

The Chamber of Echoing Tomorrows holds the contrary, on the authority of its own Eleventh Concordance, Annex 5, that only a reply from the person addressed will serve, and that acknowledgement by a third party leaves the utterance unanswered and therefore audible. The two instruments have not been reconciled. In 611/38 the Chambers certified the same utterance as simultaneously silenced and unsilenced, an outcome the Protocol of Unitary Administration had not anticipated and still cannot process; the file remains open under a clasp that has been replaced twice.

A third, smaller position, advanced by the Society of Unanswered Clerks, maintains that the stone has no doctrine at all and returns whatever it is able to return.

Access and conduct

The Lapidary Landing is open to all holders of a reading ticket. Visitors are asked not to speak to the Monolith after the third bell, when the stair is used for night haulage and the resonance carries poorly. The stone is dusted on the second day of each month by the landing's duty Custodian; no other maintenance is performed, as the surface has never needed it. Objections delivered to the Monolith are entered in the standing register whether or not they are heard again, and roughly a third of them are not.