Architecture: designs for helical (spiral) staircases with twisted iron reinforcing bars. Lithograph by Dunn & Wright.
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- 44351i
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Publication/Creation
[London] (47 Lincoln's Inn Fields) ; [Glasgow] : W. Johnson Patent Offices
Physical description
1 print : lithograph ; image and border 23.4 x 38.2 cm
Lettering
Helical staircases ; Dunn & Wright Glasgow, lith.
Reference
Wellcome Collection 44351i
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Location Status Access Closed stores