Why are railway lines laid down with small gaps between each couple of rails?

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1519511

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Title
Why are railway lines laid down with small gaps between each couple of rails?
Collection

Cigarette cards

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Dates / Origin
Place: South Africa
Library locations
George Arents Collection
Shelf locator: Arents Cigarette Cards
Shelf locator: Arents Cigarette Cards 645
Genres
Cigarette cards
Trade cards
Notes
Content: Anonymous; no brand given
Citation/reference: Cartophilic reference books ZB6-16-3
Type of Resource
Still image
Identifiers
NYPL catalog ID (B-number): b15262620
Universal Unique Identifier (UUID): 1c6e91b0-c550-012f-477d-58d385a7bc34

Item timeline of events

  • : Place
  • 2016: Digitized
  • 2016: Found by you!
  • 2017

MLA Format

George Arents Collection, The New York Public Library. "Why are railway lines laid down with small gaps between each couple of rails?" The New York Public Library Digital Collections. http://digitalcollections.nypl.org/items/510d47e2-e523-a3d9-e040-e00a18064a99

Chicago/Turabian Format

George Arents Collection, The New York Public Library. "Why are railway lines laid down with small gaps between each couple of rails?" New York Public Library Digital Collections. Accessed December 6, 2016. http://digitalcollections.nypl.org/items/510d47e2-e523-a3d9-e040-e00a18064a99

APA Format

George Arents Collection, The New York Public Library. Why are railway lines laid down with small gaps between each couple of rails? Retrieved from http://digitalcollections.nypl.org/items/510d47e2-e523-a3d9-e040-e00a18064a99

Wikipedia Citation

<ref name=NYPL>{{cite web | url=http://digitalcollections.nypl.org/items/510d47e2-e523-a3d9-e040-e00a18064a99 | title= (still image) Why are railway lines laid down with small gaps between each couple of rails? }} |author=Digital Collections, The New York Public Library |accessdate=December 6, 2016 |publisher=The New York Public Library, Astor, Lennox, and Tilden Foundation}}</ref>

Why are railway lines laid down with small gaps between each couple of rails?