declared missing
Red-link ledger
Missing pages
Missing slugs come from explicit frontmatter missing_prerequisites
and from prose wikilinks that have no source page yet. Each one gets a
stable static URL so the graph, validator, and contributors agree.
40 missing pages aggregated. Click any title for the static stub plus a GitHub page-request link.
declared missing
Battery
A generic battery page should connect non-lead-acid cells. Referenced by: Ignition coil, ignition-coil Request on GitHubdeclared missing
Boring bar
A detailed tool page can describe boring bars and fixtures later. Referenced by: Cylinder boring, cylinder-boring Request on GitHubdeclared missing
Brass
A copper-zinc alloy page remains to be added. Referenced by: Carburetor, carburetor Request on GitHubdeclared missing
Cast iron
A full foundry material page is needed for engine blocks and housings. Referenced by: Internal combustion engine, cylinder-boring, internal-combustion-engine, piston-cylinder Request on GitHubdeclared missing
Ceramic insulator
A ceramic insulation page should cover fired electrical insulators. Referenced by: Spark ignition, Spark plug, spark-ignition, spark-plug Request on GitHubdeclared missing
Coachbuilding
Bodywork, seats, trim, and weather protection are a related craft cluster not expanded here. Referenced by: Ford Model T, ford-model-t Request on GitHubdeclared missing
Container sealing
A sealing page should cover acid-resistant containers. Referenced by: Lead-acid battery, lead-acid-battery Request on GitHubdeclared missing
Copper sheet
A sheet copper supply page remains to be added. Referenced by: Radiator, radiator Request on GitHubdeclared missing
Copper wire
Wire-drawing exists, but a conductor-specific page should cover copper wire quality. Referenced by: Spark ignition, ignition-coil, magneto, spark-ignition, spark-plug Request on GitHubdeclared missing
Die making
A toolmaking page should cover dies, punches, and templates. Referenced by: Stamping press, stamping-press Request on GitHubdeclared missing
Distillation
A non-recipe separation page should cover stills and fractions safely. Referenced by: Oil refining, oil-refining Request on GitHubdeclared missing
Electrode alloy
A future metallurgy page should cover spark erosion resistance. Referenced by: Spark plug, spark-plug Request on GitHubdeclared missing
Fluid metering
A measurement page should cover repeatable flow control. Referenced by: Carburetor, carburetor Request on GitHubdeclared missing
Friction material
A future page should compare early linings safely. Referenced by: Band brake, Clutch, band-brake, clutch Request on GitHubdeclared missing
Fuel storage
A safety-focused flammable liquid page remains to be written. Referenced by: Fuel tank, Gasoline, fuel-tank, gasoline Request on GitHubdeclared missing
Geological survey
A field geology page should cover finding deposits. Referenced by: Petroleum, petroleum Request on GitHubdeclared missing
Glass
Glassmaking and glass vessels are not expanded in this pack. Referenced by: Lead-acid battery, lead-acid-battery Request on GitHubdeclared missing
Indexing
A dividing and indexing measurement page should be added. Referenced by: Gear cutting, gear-cutting Request on GitHubdeclared missing
Insulating varnish
A dedicated electrical insulation page is still needed. Referenced by: Ignition coil, ignition-coil Request on GitHubdeclared missing
Iron core
A magnetic core page can be added later. Referenced by: Ignition coil, ignition-coil Request on GitHubdeclared missing
Leak test
A generic leak inspection page remains to be written. Referenced by: Fuel tank, Pneumatic tire, Poppet valve, Radiator, Water-jacket cooling, fuel-tank, pneumatic-tire, poppet-valve, radiator, water-jacket-cooling, water-pump Request on GitHubdeclared missing
Natural rubber
A tropical rubber supply-chain page remains to be written. Referenced by: Vulcanized rubber, vulcanized-rubber Request on GitHubdeclared missing
Permanent magnet
A magnet material page should cover early magnetic steel and magnetization. Referenced by: Magneto, magneto Request on GitHubdeclared missing
Piston ring
A future page should cover sealing rings and wear control. Referenced by: Piston and cylinder, piston-cylinder Request on GitHubdeclared missing
Pressure measurement
A pressure gauge page is needed for tire and boiler checks. Referenced by: Pneumatic tire, pneumatic-tire Request on GitHubdeclared missing
Riveting
A future page should cover hot and cold rivet joining without modern welding assumptions. Referenced by: Chassis frame, chassis-frame Request on GitHubdeclared missing
Rubber curing
A non-recipe rubber processing page is needed. Referenced by: Vulcanized rubber, vulcanized-rubber Request on GitHubdeclared missing
Rubber hose
A molded rubber goods page can connect tires, belts, and hoses. Referenced by: Water-jacket cooling, water-jacket-cooling Request on GitHubdeclared missing
Sheet metal working
A general thin-metal forming page is needed. Referenced by: Radiator, Sheet steel, radiator, sheet-steel Request on GitHubdeclared missing
Simple pump
Planned MVP node that can depend on lifting and workshop mechanics. Referenced by: Pulley, pulley, water-pump Request on GitHubdeclared missing
Soldering
A joining page should cover soldering safely. Referenced by: Radiator, radiator Request on GitHubdeclared missing
Spring making
A spring process page is needed for valve return springs. Referenced by: Poppet valve, poppet-valve Request on GitHubdeclared missing
Spring steel
A metallurgy page should cover spring stock and heat treatment. Referenced by: Leaf spring, leaf-spring Request on GitHubdeclared missing
Steelmaking
A metallurgy process page should cover steel production at a high level. Referenced by: Mild steel, mild-steel Request on GitHubdeclared missing
Temperature measurement
A measurement page is needed for thermometers and heat scales. Referenced by: Oil refining, oil-refining Request on GitHubdeclared missing
Textile cord
A textile reinforcement page should connect cordage and tires. Referenced by: Pneumatic tire, pneumatic-tire, vulcanized-rubber Request on GitHubdeclared missing
Trade network
A trade institution page should connect long-distance supply chains. Referenced by: Petroleum, Vulcanized rubber, petroleum, vulcanized-rubber Request on GitHubdeclared missing
Viscosity comparison
A simple comparative test page should cover oil flow and film checks. Referenced by: Lubricating oil, lubricating-oil Request on GitHubdeclared missing
Waterwheel
A mill power page should connect water power to early factories. Referenced by: Rolling mill, rolling-mill Request on GitHubExisting pages start at Abacus. Submit new pages through the GitHub page request form; submit edits through pull requests.