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List of Illustrations
- Map of northern Britain showing the principal sites examined
- Date of the samples collected
- Types of sites from which samples were taken
- Categories of objects sampled
- Histogram showing the lead composition of Roman statues (Craddock 1975: 159, fig 2)
- Scatter plot showing the correlation between zinc and tin in Roman
alloys (Craddock 1975: 222, fig 5)
- Ternary diagram showing the composition of Dolphin brooches (Bayley
1992: fig 10.19)
- 3-D surface plot of zinc and tin contents of Roman alloys (unsmoothed)
- 3-D surface plot of zinc and tin contents of Roman alloys (smoothed)
- 2-D chart of zinc and tin contents, showing the boundaries of the four alloy types
- X-ray spectrum produced using EDXRF
- Changes in analysed composition as corrosion products are removed
- Relationship between zinc content and measured cps for standards
- Variance of lead determinations for the standards
- Error estimate for zinc
- Tin content of Iron Age copper alloys
- Tin content of cast copper alloys
- Tin content of wrought copper alloys
- Lead content of Iron Age copper alloys
- Zinc content of Iron Age copper alloys
- Arsenic content of Iron Age copper alloys
- Iron content of Iron Age copper alloys
- Iron content of Roman copper alloys
- Cobalt content of Iron Age copper alloys
- Nickel content of Iron Age copper alloys
- Plot of zinc and tin content of 'Celtic' metalwork
- Barchart showing the different alloys used for 'Celtic' metalwork
- Plot of zinc and tin content of 'Celtic' swords
- Melsonby Hoard: plot of zinc and tin content
- Melsonby Hoard: enlarged plot of zinc and tin content
- Distribution of Zinc contents in all Roman alloys
- Distribution of Tin in all Roman alloys
- Distribution of Lead in all Roman alloys
- Smoothed 3-D surface chart showing the zinc and tin contents of Roman copper alloys
- Boundaries for the alloy types defined from Figure 6.4
- Barchart showing the proportions of Roman alloy types
- Zinc and tin contents for unleaded Roman alloys
- Zinc and tin contents for leaded Roman alloys
- Barcharts showing leaded and unleaded alloy compositions
- Distribution of Iron in all Roman alloys
- Scatter chart showing zinc and iron contents of Roman alloys
- Distribution of Nickel in all Roman alloys
- Distribution of Arsenic in all Roman alloys
- Alloys used for different categories of artefact
- Principal brooch types: Nauheim Derivative (XRFID 1230)
- Principal brooch types: Colchester A (XRFID 1010)
- Principal brooch types: Dolphin (XRFID 1605)
- Principal brooch types: Trumpet loose headloop (XRFID 1234)
- Principal brooch types: Fantail, fixed headloop (XRFID 1635)
- Principal brooch types: Headstud, fixed headloop (XRFID 1766)
- Principal brooch types: Dragonesque (XRFID 1392)
- Principal brooch types: Penannular, type A2 (XRFID 1505)
- Lead and zinc content of Trumpet brooches
- Zinc and lead content of Headstud brooches
- Zinc and tin content of Dragonesque brooches
- Three categories of ligulae analysed in this paper: Long Handle,
Small Bowl
- Elongated Bowl
- Short Handle, Small Bowl
- Alloys used for ligulae
- Tin content of Roman mirrors and other objects (with tin 15% and over)
- Zinc content of Roman Brass coins
- Zinc content of Roman Brass coins (mean values for each reign)
- Function matched to observed zinc decline
- Theoretical zinc decline in recycled brasses
- Median values for zinc, tin and lead for each of the first four centuries
AD
- Chronological changes in the proportions of Roman alloys
- Chronological changes in the provenance of samples
- Alloys used on a range of Roman sites in northern Britain
- Alloys used in indigenous contexts
- Dating of samples from a range of different sites
- Proportions of alloys used in Roman forts
- Proportions of alloys used in Roman vici
- Alloys used in Roman towns
- Comparison of the alloys used at Brougham with those from other 3rd century sites
- Alloys used on larger rural sites
- Alloys used on villa sites
- The categories of objects analysed from different sites in northern Britain
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Last updated: Thu Apr 3 1997