Text spotting output from MapReader for 329 sheets for Greater London of the 2nd edition 6-inch-to-1-mile Ordnance Survey maps. Files: parent_predictions.csv - 652,979 text predictions for each parent map using pixel coordinates, as polygons geo_predictions.geojson - 652,979 text predictions using geospatial coordinates, as polygons geo_predictions_centroid.geojson - 652,979 text predictions using geospatial coordinates, as centroids geo_predictions_deduplicated.geojson - 463,776 text predictions using geospatial coordinates, as polygons, duplicates removed geo_predictions_deduplicated_centroid.geojson - 463,776 text predictions using geospatial coordinates, as centroids, duplicated removed