of Grand Sluice Works, Boston
formerly Howden, Wilkinson and Co
1861 Patent. '2186. And William Wilkinson and Henry Thompson Wright, of Boston, in the county of Lincoln, Ironfounders, have given the like notice in respect of the invention of "improvements in apparatus used when stacking straw, and other agricultural produce."'
1862 Exhibited a steam engine at the 1862 London Exhibition
1863 the business was Henry Wright, maker of agricultural implements. It is probable that Wilkinson left the company around c1862