Function

The relationship between design, function, and behaviour is explored in this chapter by assessing design features and their affordances against firstly, evidence of use drawn from wear studies of the artefacts that indicate the way they have been used; secondly, both experimental recreations, and the end-products the tools were used to create; and thirdly, archaeological context. In this way, we can examine both the potential of an approach focusing on design features, and also any limitations. I hope to show that affordances are an important source of evidence and provide insights that cannot be gained fromother sources, but that it is important not to take potential affordances at face value, and to interrogate their relationship to likely uses by comparison with other types of evidence. The first method through which possible affordances can be evaluated is through comparison with use-wear. In this way, it is possible to see how ‘proper function’ uses, suggested by practical affordances, compare to evidence of actual use as represented by use-wear. In a previous study, I investigated use-wear in relation to the functional features of Roman spoons (principally cochlear spoons with pointed handles), which I will briefly summarize here. Two principal affordances were evaluated: firstly, the shape of the spoon bowl, and secondly, the capacity of the bowl to hold varying amounts of liquid. I also investigated some other features such as the handle shape. The data, studied through personal inspection of museum objects, were drawn mainly from south-east Britain with some comparative material from the Roman site at Augst in Switzerland which has a very large collection of Roman spoons. Roman cochlear spoons occur in a wide range of well-dated forms, with different bowl shapes broadly succeeding one another chronologically (with some inevitable overlap). Round-bowled spoons are the earliest, found in the first and second centuries AD. Forms with a pear-shaped bowl are found from towards the end of the first century AD to the end of the second century, and forms with a fig-shaped bowl from the mid-second into the third century AD.