Sample screw from the model of the screw-cutting lathe, by Henry Maudslay, England, 1800-1820 Sample screw from the model of the screw-cutting lathe 1800-1820
Sample screw from the model of the screw-cutting lathe, by Henry Maudslay, England, 1800-1820 Sample screw from the model of the screw-cutting lathe 1800-1820
Brass machine-screw, one of six, for securing the Parautoptic lock to the Exhibition Display Frame, by Day & Newell, Manhattan, New York, New York State, United States of America, 1851. Exhibited at the 1851 Great Exhibition, London, England. Screw, for securing Parautoptic lock to Display Frame, at the 1851 Great Exhibition 1851
Brass machine-screw, one of six, for securing the Parautoptic lock to the Exhibition Display Frame, by Day & Newell, Manhattan, New York, New York State, United States of America, 1851. Exhibited at the 1851 Great Exhibition, London, England. Screw, for securing Parautoptic lock to Display Frame, at the 1851 Great Exhibition 1851
Brass machine-screw, one of six, for securing the Parautoptic lock to the Exhibition Display Frame, by Day & Newell, Manhattan, New York, New York State, United States of America, 1851. Exhibited at the 1851 Great Exhibition, London, England. Screw, for securing Parautoptic lock to Display Frame, at the 1851 Great Exhibition 1851
Brass machine-screw, one of six, for securing the Parautoptic lock to the Exhibition Display Frame, by Day & Newell, Manhattan, New York, New York State, United States of America, 1851. Exhibited at the 1851 Great Exhibition, London, England. Screw, for securing Parautoptic lock to Display Frame, at the 1851 Great Exhibition 1851
Screws for the electric wall clock, by Campiche, Geneva, Switzerland, 1940-1977 Screws for the electric wall clock 1940-1977
Brass machine-screw, one of six, for securing the Parautoptic lock to the Exhibition Display Frame, by Day & Newell, Manhattan, New York, New York State, United States of America, 1851. Exhibited at the 1851 Great Exhibition, London, England. Screw, for securing Parautoptic lock to Display Frame, at the 1851 Great Exhibition 1851
Brass machine-screw, one of six, for securing the Parautoptic lock to the Exhibition Display Frame, by Day & Newell, Manhattan, New York, New York State, United States of America, 1851. Exhibited at the 1851 Great Exhibition, London, England. Screw, for securing Parautoptic lock to Display Frame, at the 1851 Great Exhibition 1851
Wood model, scale 1:12, of Hermann Hirsh's patented four bladed screw propeller, mounted on a mahogany stand, by Maudslay Sons and Field, Lambeth, London, England, 1862-1889 Hermann Hirsh's patented four bladed screw propeller 1862-1889
9 hand screws; 5 tapped plates associated (but not all fit) and 5 similar plates with depressions; coach screws and bolts etc. Any of these may not belong to this collection - they were found associated with parts of 1934-439 Hand Screws, Tapped Plates and Coach Screws and Bolts