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The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress.

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1158873

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The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress.

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Title
The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress.
Names
Thames Tunnel Company (Author)
Collection

explanation of the works of the tunnel under the Thames from Rotherhithe to Wapping.

Dates / Origin
Date Issued: 1836
Place: London
Publisher: W. Warrington, engraver and printer
Library locations
Rare Book Division
Shelf locator: VDCP (Thames Tunnel Company, London. Explanation of the works of the tunnel. 1836)
Topics
Tunnels -- England -- London
Thames Tunnel (London, England)
Genres
Engravings
Type of Resource
Still image
Identifiers
RLIN/OCLC: 8899815
NYPL catalog ID (B-number): b13752528
Universal Unique Identifier (UUID): 79fc21f0-c62a-012f-f2db-58d385a7bc34
Rights Statement
The New York Public Library is interested in learning more about items you've seen on our websites or elsewhere online. If you have any more information about an item or its copyright status, we want to hear from you. Please contact DigitalCollections@nypl.org with your contact information and a link to the relevant content.

Item timeline of events

  • 1836: Issued
  • 2013: Digitized
  • 2016: Found by you!
  • 2017

MLA Format

Rare Book Division, The New York Public Library. "The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress." The New York Public Library Digital Collections. 1836. http://digitalcollections.nypl.org/items/510d47dd-fd15-a3d9-e040-e00a18064a99

Chicago/Turabian Format

Rare Book Division, The New York Public Library. "The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress." New York Public Library Digital Collections. Accessed September 25, 2016. http://digitalcollections.nypl.org/items/510d47dd-fd15-a3d9-e040-e00a18064a99

APA Format

Rare Book Division, The New York Public Library. (1836). The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress. Retrieved from http://digitalcollections.nypl.org/items/510d47dd-fd15-a3d9-e040-e00a18064a99

Wikipedia Citation

<ref name=NYPL>{{cite web | url=http://digitalcollections.nypl.org/items/510d47dd-fd15-a3d9-e040-e00a18064a99 | title= (still image) The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress., (1836) }} |author=Digital Collections, The New York Public Library |accessdate=September 25, 2016 |publisher=The New York Public Library, Astor, Lennox, and Tilden Foundation}}</ref>

The divisions of the shield are advanced separately and independently of each other, by the means pointed out in the foregoing sketch: each division, as is attempted to be shewn [shown] in the annexed design, has boards in front (known by the technical name of poling boards) supported and kept in position by means of jack screws, which are lodged against the front of the iron frame; these boards are in succession taken down while the earth in front of each is excavated, the first board being always replaced before a second is removed; thus forming a constant firm buttress.