Montreal water works : the reports of Walter Shanly, Esq., T. C. Keefer, Esq., and James B. Francis, Esq., of Lowell, Mass.
Bibliographic record
Abstract
The want of a sufficient supply of water in the winter of 1867-68 led to a close examination of the cause of such a strange occurrence, which had, for the second time, exposed citizens to dreadful inconvenience and loss, while a large sum of money was expended by the Corporation in temporary relief.The superintendent obtained, when requested, tests of the effect produced upon the aqueduct by the lowness of water at the entrance, the fluctuations in the water level there, the severity of the season, and the accumulations of ice obstructions in the aqueduct, which together produced a contraction of the water way to 54 feet area, reducing the supply upon the city to less than one-third of its requirements, leaving the higher levels at the mercy of water-puncheons, a fate also at times shared by the lower levels of the city.These facts were submitted to the Council, and their consideration by the Water Committee led to the reference of the matter to Messrs. Shanly, Keefer, and Francis, for their respective reports on the subject, which were duly received and considered.The three engineers agree that the present aqueduct is insufficient, that it must be extended and enlarged, or a new one of larger size made ; pending which undertakings, temporary assistance must be immediately secured.Further than this the gentlemen do not agree.Mr. Shanly urged the immediate construction of a steam engine to provide against a repetition of the trouble of last winter, as, in his opinion, it would be impossible in one season to provide any other reliable remedy, while the city should determine upon enlarging the present or making a new canal.Mr. Keefer suggests another turbine-wheel, alteration of stop-gates, extending entrance, and other works, which, he thinks, will guard the city for a season against similar difficulties, urging, as an effectual remedy, the enlarging of the present aqueduct and its extension up the river
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.004 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.003 | 0.004 |
| Science and technology studies | 0.004 | 0.002 |
| Scholarly communication | 0.003 | 0.001 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.114 | 0.023 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".