Cascadia Precision Instrument Co. — Bellevue, WA

Research

The Research Archives

Where the primary sources live. Anyone researching vintage precision instruments — their makers, mechanisms, and period context — eventually needs the original paper: trade catalogs, period advertising, engravings, and technical illustration. These are the digital archives that hold it. Each entry notes what the archive is particularly good for and what material a researcher will find there.

Internet Archive (archive.org)

What it isThe general-purpose digital library; hosts large scanned trade-catalog collections alongside everything else.
Particularly good forFull cover-to-cover scans of instrument-maker publications, readable and downloadable page by page.
What you'll findStarrett's "The Tools and Rules for Precision Measuring" in scanned 1947, 1965, and 1984 editions; assorted Starrett and Brown & Sharpe catalogs; broader trade-catalog collections searchable by maker.
Licensing notePre-1928 US publications are public domain. Later scans are viewable but not automatically reusable.

VintageMachinery.org — Publication Reprints

What it isCommunity-scanned archive of machinist trade literature, organized by manufacturer. Run by and for the old-iron collector community.
Particularly good forMaker-specific catalog runs, manuals, and dealer ephemera that no institutional archive bothered to keep. If a tool maker had a following among machinists, its paper trail likely survives here.
What you'll findStarrett, Brown & Sharpe, Lufkin, and hundreds of other makers' catalogs and manuals; period advertising; wiki pages with company histories.

Smithsonian Libraries — Trade Literature Collection

What it isOne of the largest trade-catalog archives in existence (~500,000 pieces), with a growing digitized portion.
Particularly good for19th- and early-20th-century hardware and instrument makers; catalog cover art and interior illustration at archival scan quality.
What you'll findEarly New England toolmaker catalogs; period catalog design and typography worth studying in its own right.

HathiTrust

Search "American Machinist" / "Machinery"

What it isAcademic digital library holding full runs of the major machine-trade periodicals.
Particularly good forPeriod advertising in context — the actual ads makers ran, issue by issue, decade by decade.
What you'll findAmerican Machinist and Machinery magazine full runs; pre-1928 volumes are full-view and public domain, dense with advertising from Starrett, Brown & Sharpe, Federal, and their contemporaries.
Licensing notePre-1928 volumes: public domain, freely reusable. Later volumes: search-only or restricted view.

Grace's Guide to British Industrial History

What it isUK-focused industrial-history wiki with enormous runs of scanned period engineering journals.
Particularly good forVictorian-era engravings and advertising — the visual world of the earliest precision toolmakers.
What you'll findThe Engineer and Engineering journal scans; UK and European maker histories; engraved illustration of workshops, machines, and instruments.

Duke University — Ad*Access / Emergence of Advertising

What it isCurated, digitized print-advertising collections, searchable by industry and decade (roughly 1850–1955).
Particularly good forStudying advertising as a genre — how industrial goods were sold, period graphic design, campaign language.
What you'll findIndustrial and technology advertising categories; useful comparative context for any maker's ad campaigns.

Linda Hall Library — Digital Collections

What it isIndependent science and engineering research library with a strong rare-book digitization program.
Particularly good forTechnical engravings from engineering rare books — instrument illustration older and finer than trade-catalog art.
What you'll findHistoric engineering texts, instrument treatises, and mechanical illustration back to the hand-engraved era.

NIST / National Bureau of Standards Publications

What it isThe US national metrology institute's publication archive — NBS circulars, handbooks, and research papers back to 1901.
Particularly good forPrimary-source metrology history: how standards, gauge blocks, and calibration practice actually developed.
What you'll findNBS circulars on gauge blocks, screw threads, and dimensional metrology; the documentary backbone of US measurement traceability.
Licensing noteUS government works — public domain regardless of date.

A note on sourcing: images in documents on this site come from public-domain material (pre-1928 US publications, government works) or are photographed from physical copies in the Cascadia collection.