Grace's Guide is the leading source of historical information on industry and
manufacturing in Britain. This web publication contains 167,639 pages of
information and 247,064 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.
1933 Shardlow Check Reading Micrometer patented by Ambrose Shardlow and Co and Herbert Orr. 'Linear-dimension gauges. AMBROSE, SHARDLOW, & CO., Ltd., Washford Road, Attercliffe, and ORR, H., 37, Huntley Road, both in Sheffield. Sept. 12, 1933, No. 25273.' [1]