Register of workers aged under 18 at the Belper factory of Messrs WG & J Strutt At front, extracts fron rules and regulations made by HM Inspectors of Factories, Oct 1836. Register of workers under 18 years of age, arranged in alphabetical order by letter of surname with columns for the reference number of certificate book names, age at date of entry (years and months), date they came to work and date they left. Labelled 194, on first page of register, later labelled O1/212. Nov 1836-May 1844