Workmen fitting the metal casings for an underground tunnel. Wood engraving, 1868.
- Date:
- 1868
- Reference:
- 36588i
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- Online
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Description
This is the "Greathead Shield" devised by the engineer of that name for driving large tunnels through clay soil
Publication/Creation
[Place of publication not identified] : [publisher not identified]
Physical description
1 print : wood engraving ; image 12.5 x 11.4 cm
Lettering
Advancing the shield.
Further lettering in pencil reads: Tower Subway 1868
Reference
Wellcome Collection 36588i
Type/Technique
Languages
Where to find it
Location Status Access Closed stores