Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,381 pages of information and 220,926 images on early companies, their products and the people who designed and built them.
Nalder and Nalder of Challow Iron Works, Wantage, Berks.
1862 May. At the Bath and West Society Show, Nalder and Co showed a portable engine. 
1866 Incorporated as a Limited Company.
1876 Exhibitor at the Royal Agricultural Show at Birmingham with an 8 hp combined thrashing machine. 
1888 Wheat grading machinery. 
1890 Malt screening machine for Guinness. Article and illustration in 'The Engineer'. 
1894 Thrashing machines. 
1914 Manufacturers of Thrashing Machines, Malt, Barley and other Grain Dressing and Handling Machinery, Elevators and Conveyors.