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Demainbray's Archimedean screw

1752

Pan-head machine screw, for Beardmore Heavy Oil diesel engine, from Airship R. 101

1928

Unpointed woodscrew, 1850-1855

1850-1855

Unpointed woodscrew, 1850-1855

1850-1855

Screws from the electronic payment terminal

1990-1998

Unpointed woodscrew, 1850-1855

1850-1855

Unpointed woodscrew, 1850-1855

1850-1855

Unpointed woodscrew, 1850-1855

1850-1855

2 movement screws for the electric clock

1845-1847

Screw and nut associated with the 3-foot geodetic theodolite

1791

Eight brass screws from the 3-foot geodetic theodolite

1791

Working model, of a link drive for screw shafts, used to adapt paddle wheel engines

1850-1862
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
Five unpointed woodscrews, with cardboad box used for storage, 1850-1855

Five unpointed woodscrews and cardboard box, 1850-1855

1850-1855
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
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
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
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

Archimedean Screw, for water-lifting

Archimedean Screw

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
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