Here are the details of maps for Thornaby:

Sheet 15.04 Thornaby-on-Tees & Stockton 1892 - published 2021; intro by Alan Godfrey. ISBN.978-1-78721-392-0  
This detailed map covers much of Thornaby plus the southern part of Stockton, from the Shambles southward.

The many features include Thornaby town centre, Town Hall, station, South Stockton Iron Works, Tees Bottle Works, Bonlea Foundry, Thornaby Iron Works, Teesdale Iron Works, Market Hall, St Paul's church. On the Stockton side it includes NER Goods Station, Parkfield Works, Bowesfield Iron Works, Tees Bridge Iron Works, tramways and depot, Castle Moat Ship Yard, Stockton Hospital, Egglescliffe Iron Works, Eaglescliffe Brick Works, Perseverance Boiler Works, Ropner Park etc.

The map links up with sheet 16.01 Thornaby Mandale to the east.