Sword Typology, Early Steel and Blade Care

Reading note

European sword typology rests on measurable proportions, not on decoration: blade length, width at the guard, profile taper and grip length allow a sword to be placed within a documented sequence. The making of iron and steel before industry depended on the ore, the fuel and the number of heats a smith could control, and the conservation of blades in public collections turns on stable humidity, controlled handling and early treatment of corrosion. The three subjects belong together because a classification is only as reliable as the metal it describes, and the metal is only as legible as its condition allows.

Why typology comes before attribution

A sword is first a set of dimensions. Oakeshott's classification, running from type X to type XXII, orders medieval blades by profile and by the way the edges taper toward the point. Type X describes a broad, relatively parallel blade with a wide fuller; later types narrow, lengthen and acquire more pronounced points as armour and fighting methods change. The sequence is descriptive rather than chronological in any strict sense, and a single type may appear across two centuries.

The long sword of roughly 1350 to 1550 adds a second variable: the grip. Proportions of the hilt, measured against the blade, distinguish a weapon intended for one hand from one built for two, and the length of the grip often tells more about use than the pommel shape does. Viking-age blades are ordered separately, through the systems associated with Petersen, Wheeler and Geibig, which classify hilt components and blade forms together. A reader who wants the primary terms set out with their sources can consult the European sword typology register, which keeps classification, metallurgy and conservation in one place.

For collectors, the practical consequence is that a label should be argued from measurement. Photographs taken square to the blade, with a scale, and notes on thickness at the base and near the point, do more for a description than any comparison with a museum plate.

How was iron and steel made before industry?

Before industrial production, iron came from bloomery furnaces: a charge of ore and charcoal was heated with air blown through a tuyere, and the result was a spongy mass of iron and slag rather than a liquid pool. The bloom was then consolidated by hammering while hot, expelling slag and welding the metal into a workable bar. Carbon content was not measured but inferred, from the behaviour of the metal under the hammer and in the fire.

Steel could be made by adding carbon to iron in a crucible, or by carburising the surface of a bar and letting the carbon diffuse inward over long heating. Crucible steel and wootz are the classic examples of the first route, and their patterned surfaces, visible after polishing and etching, record the internal structure of the metal. Pattern welding is a different technique: rods of differing carbon content are stacked, twisted and forge-welded into a billet, producing a visible banding that is structural as well as decorative.

Hardening and tempering were done in stages. A blade might be heated and quenched several times, with tempering heats between, and the number of heats a smith could manage shaped the final balance of hardness and toughness. Quenching in water, oil or other media produced different results, and the surviving evidence is often metallographic rather than documentary: a polished cross-section under a microscope shows the phases that the fire left behind.

What does conservation of blades in public collections involve?

Corrosion is the main threat, and it is driven by humidity. A blade kept below roughly 40 per cent relative humidity, in a stable environment, corrodes far more slowly than one exposed to damp air and temperature swings. Fingerprints are a particular problem because salts and moisture from the skin initiate localised pitting, which is why gloves are worn for handling and why a blade is not touched on the polished surface.

Storage follows from that. Blades are supported along their length rather than hung from a hilt, scabbards are kept separately where the materials are unstable, and any treatment is recorded. Public collections in Europe present these objects with the metal, the hilt and the scabbard described as separate components, since each has its own condition history. A glossary of anatomy and metallurgy helps here: terms such as fuller, tang, ferrule and pearlite are not interchangeable, and a condition report that uses them precisely can be read years later by someone who never saw the object.

What should a collector look for in a blade?

Condition first, then consistency. A blade whose profile matches a documented type but whose surface has been aggressively cleaned has lost evidence that no amount of correct labelling can restore. Original surface, even corroded, carries information about manufacture; a bright, uniform polish usually means the information has gone.

Second, look for coherence between parts. A hilt that does not fit the blade's proportions, or a pommel whose wear does not match the grip, invites questions. Third, record everything: dimensions, weight, point of balance, and the conditions under which the object is kept. A small notebook kept with the collection is more useful than memory, and it is the kind of record that makes a later owner's work possible.

Reading the sources side by side

Typology, metallurgy and conservation are usually taught apart, but they answer one another. A type is a hypothesis about a blade's form; metallography tests what the metal can support; condition determines what can still be observed. A reader who moves between the three avoids the common error of treating a classification as a fact about a single object rather than a description of a group.

Museum catalogues remain the standard reference for published blades, and they are best read with the original measurements to hand. Where a catalogue entry is uncertain, it usually says so, and that uncertainty is part of the evidence. The same applies to the older metallurgical literature: furnace reconstructions and experimental smelts have revised several assumptions about pre-industrial steel, and a date on a page is not a guarantee of a settled conclusion.

Keeping a working reference

A useful reference set for this subject is small: one typology, one account of iron and steel before industry, one conservation standard, and a glossary. The order matters less than the habit of checking a claim against a measurement. A blade measured twice, photographed with a scale and stored dry will outlast most arguments about what it is.

Blades and buildings are both dated by their making, and a mosque built in 1935 sets out who founded it, who designed it and what the war years did to it.

Sources: vam.ac.uk/collections, vam.ac.uk, en.wikipedia.org/wiki/Oakeshott_typology.