Details of relevant entry in The Pottery Kilns of Roman Britain by Vivien Swan

As utilised in the website hosted by Oxford Archaeology on behalf of the Study Group for Roman Pottery

Site Name: N of Throlam Plantation (Pothill Kiln Group)

Kiln Number: Corder's kiln (final of at least 4 phases of superimposed kilns)

Grid Reference: SE82133555

County: YORKSHIRE: EAST RIDING AND YORK

Parish: HOLME UPON SPALDING MOOR (9)

Geology: wind-blown sand over clay

Situation: level

Height above OD: 4 m

Water Supply: water-level near surface

Circumstances of Record: limited excavation

Excavator/Observer: T Shepherd, P Corder and J L Kirk

Date of Record: 1930

Kiln Type: D?: oval, with the clay lining and flooring superimposed on and inside penultimate kiln-structure

Kiln Interior: no evidence of interior structure survived

Oven Floor: no evidence recorded for raised oven-floor

Flue: clay-lined flue, ?reused from previous phase

Site Features and Finds: another, adjacent kiln (?contemporary; mostly destroyed) had shared same stokehole: baked clay with pot impressions (?stacking pads), burnishing pebbles, fine flint point (?for decorating pots)

Pottery: all phases: grey 'Throlam' ware flanged bowls and dishes (Gillam 229-331, 315), some with burnished wavy-line decoration on interior or exterior, large wide-mouthed bowls with everted rim and girth-grooves, S-shaped colanders and bowls, narrow-mouthed jars with handles and 'moulded' rims, large barrel-shaped cooking-pots with looped (not countersunk) handles, and jars (predecessors, in type, of Gillam 40/41)

Date of Pottery: 3/4

Reference(s): Corder 1932

Source of Information: OS Records

Location of Finds: Hull TA Mus

Comments: floor at bottom of kiln-chamber was considered by Corder to have been the raised oven-floor of the previous kiln, reused; the absence of vent-holes, however, may imply that the floor of the final-phase kiln-chamber was freshly laid at the time of the latter's construction