ABSTRACT
https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781315828060/49546f0e-ce84-4e70-9b40-7107f16ee305/content/unfig_i_B.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>T will be realised that the various bridges which appear in the traditions which we considered in the second volume are not all of the same type and it seems desirable to see whether they can be grouped in any way. There are two possible tests; the first being, what does the bridge span? and the other; what is its geographical position? At first sight the former appears the more attractive test to apply and we will therefore see what results will be forthcoming if we use it.
