Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,720 pages of information and 247,131 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

British Rototherm Co: Revision history

From Graces Guide

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14 March 2023

29 April 2020

24 May 2019

23 May 2019

16 May 2019

15 November 2018

6 November 2018

2 August 2016

21 January 2016

15 September 2015

7 October 2014

6 October 2014

30 July 2014

23 June 2011

23 August 2010

19 January 2009

27 August 2008