Claim · 1949 · publication · Stated in source · Supported

Hartree’s Calculating Instruments and Machines (1949) names Lady Lovelace and quotes her statement on the Analytical Engine.

One recorded claim. The claim panel gives its qualification, the source passages with their place in each source, and how it was checked.

What it connects

Calculating Instruments and Machines → cites → Notes by the translator to L. F. Menabrea’s Sketch of the Analytical Engine

Where it appears

No collection page holds this claim. It is listed with its records in the explorer.

Claim and evidence

Calculating Instruments and Machinescites ↓Notes by the translator to L. F. Menabrea’s Sketch of the Analytical Engine

Machine-checkedStated in sourceSupported

Supporting evidence: primary · 1 source

Date: 1949 · publication Records dated 1949 →

Scope and limitsA naming records that the later text names the earlier; it is not agreement, influence or lineage beyond what the passage states. Hartree cites Lovelace’s notes by a reference letter (‘C, p. 44’).

The evidence 01

primary sourceSupports the claim

Calculating Instruments and Machines

University of Illinois Press, Urbana, 1949; Internet Archive scan · 1949

Cite the original source

Cite the original document, not Selekoa. Check these details against it.

Source excerpt

“I found afterwards that over a hundred years ago Lady Lovelace had put the point firmly and concisely”

Location in source p. 70 (PDF page 86)

How it was read Retrieved directly from the publisher

Machine-checked · 2026-11-04

Source details and check notes

Authors: Douglas R. Hartree
Version: Retrieved for the candidate pack on 2026-11-03 (SHA-256 8ba5e640ebdf4f08e7fd5ba60174f73ab916f59ed9b2f928d5d9e09913e8a479) and again at admission on 2026-11-04 (same file). Internet Archive scan of the 1949 printing (title leaves: University of Illinois Press, Urbana; copyright 1949), with an OCR text layer; quotations matched against the text layer, printed p. 70 (PDF page 86). Same SHA-256 as the copy a second check by a model of another family read.
Canonical address: Open the canonical source ↗
Accessed: 2026-11-04
Language: English (en)
Attribution: Douglas R. Hartree, “Calculating Instruments and Machines”, 1949.
Reuse: No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution.
Check notes: Candidate pack passage, antecedent texts (research/prehistory). The quotation (18 words) matched a fresh retrieval of 2026-11-04 (SHA-256 8ba5e640ebdf…, the file the candidate pack read). Matching ignored differences of whitespace, case, quotation marks, dashes, line-break hyphens and Unicode compatibility forms, so the source’s typography can differ. No human editorial review.

Status and meaning

Editorial status. Machine-checked. Machines found this record and checked it against its sources; no person accepted it individually. Each evidence record above shows how it was checked.

Relation. An explicit reference to a work. Citation alone is neither agreement nor causal influence.

Date. Copyright year of the printing read.

Record ID pre-link-hartree-1949-names-lovelace-1843