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.
| What it is | The general-purpose digital library; hosts large scanned trade-catalog collections alongside everything else. |
| Particularly good for | Full cover-to-cover scans of instrument-maker publications, readable and downloadable page by page. |
| What you'll find | Starrett'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 note | Pre-1928 US publications are public domain. Later scans are viewable but not automatically reusable. |
| What it is | Community-scanned archive of machinist trade literature, organized by manufacturer. Run by and for the old-iron collector community. |
| Particularly good for | Maker-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 find | Starrett, Brown & Sharpe, Lufkin, and hundreds of other makers' catalogs and manuals; period advertising; wiki pages with company histories. |
| What it is | One of the largest trade-catalog archives in existence (~500,000 pieces), with a growing digitized portion. |
| Particularly good for | 19th- and early-20th-century hardware and instrument makers; catalog cover art and interior illustration at archival scan quality. |
| What you'll find | Early New England toolmaker catalogs; period catalog design and typography worth studying in its own right. |
Search "American Machinist" / "Machinery"
| What it is | Academic digital library holding full runs of the major machine-trade periodicals. |
| Particularly good for | Period advertising in context — the actual ads makers ran, issue by issue, decade by decade. |
| What you'll find | American 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 note | Pre-1928 volumes: public domain, freely reusable. Later volumes: search-only or restricted view. |
| What it is | UK-focused industrial-history wiki with enormous runs of scanned period engineering journals. |
| Particularly good for | Victorian-era engravings and advertising — the visual world of the earliest precision toolmakers. |
| What you'll find | The Engineer and Engineering journal scans; UK and European maker histories; engraved illustration of workshops, machines, and instruments. |
| What it is | Curated, digitized print-advertising collections, searchable by industry and decade (roughly 1850–1955). |
| Particularly good for | Studying advertising as a genre — how industrial goods were sold, period graphic design, campaign language. |
| What you'll find | Industrial and technology advertising categories; useful comparative context for any maker's ad campaigns. |
| What it is | Independent science and engineering research library with a strong rare-book digitization program. |
| Particularly good for | Technical engravings from engineering rare books — instrument illustration older and finer than trade-catalog art. |
| What you'll find | Historic engineering texts, instrument treatises, and mechanical illustration back to the hand-engraved era. |
| What it is | The US national metrology institute's publication archive — NBS circulars, handbooks, and research papers back to 1901. |
| Particularly good for | Primary-source metrology history: how standards, gauge blocks, and calibration practice actually developed. |
| What you'll find | NBS circulars on gauge blocks, screw threads, and dimensional metrology; the documentary backbone of US measurement traceability. |
| Licensing note | US 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.