CACrown ArchivesThe cinema collection
Menu
Research dossier · People & Ideas

Jacob Rupertus

American firearm inventor

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMay 11, 2026
Entity authorityQ1677626 ↗
Source-derived summary

Jacob Rupertus (1822/1823 – 1921) was an American handgun designer and manufacturer.

Formative years and family

This Jacob Rupertus should not be confused with another Jacob Rupertus (1827-1900), who also lived in Philadelphia, but was not involved in gun manufacturing.

This Jacob Rupertus was born in the Kingdom of Bavaria sometime around 1822 or 1823 and died in Laurel Springs, New Jersey, on February 14, 1921.

Sometime around 1849, he wed Caroline Bechtel, who had been born on February 12, 1831, in Leiterswiller, Bas-Rhin, Alsace, France; she died in Laurel Springs on February 26, 1911. They were buried in the now defunct American Mechanics Cemetery in Philadelphia.

Career

Rupertus founded the Rupertus Patented Pistol Manufacturing Company, which was located 1924 North 4th Street in Philadelphia and was in operation between 1859 and 1899.

On July 19, 1864, he received the US patent No.43.606 for a revolver with a rotating multi-shot barrel group (pepper-box).

Editorial summary

The public source identifies “Jacob Rupertus” as american firearm inventor. This brief keeps that definition visible, then builds a research path around Jacob, Rupertus and American.

Editorial reviewA productive starting point for separating a subject’s documented career from later reputation and commemoration. The current lead gives the account dated anchors—1822, 1823, 1921, 1827—that can be checked directly. The linked authority record independently contributes the date 1827-01-01. Its value is orientation rather than verdict, with Jacob, Rupertus and American providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Jacob Rupertus”, the useful work is to connect “american firearm inventor” to the records capable of establishing context and consequence.

Evidence profile

The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated May 11, 2026. The linked authority identifier is Q1677626. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1822, 1823, 1921 and 1827.

Critical limits

A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Jacob Rupertus”, its source revision and the description used here.
  2. Expand the search: follow Jacob Rupertus primary sources, Jacob Rupertus archive and Jacob research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Jacob Rupertus”?
  2. How has the subject’s reputation changed across later accounts?
  3. Which claims depend on a single source or contested interpretation?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Jacob Rupertus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.