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LNWR Class F
No. 1273 in photographic grey livery without tender
Type and origin
Power type
Steam
Designer
George Whale
Rebuilder
Crewe Works
Rebuild date
1906–08
Number rebuilt
10 from Class B 2 from Class E
Specifications
Configuration:
• Whyte
2-8-0
• UIC
1′D n4vg
Gauge
4 ft 8+1⁄2 in (1,435 mm)
Driver dia.
4 ft 8 in (1,420 mm)
Fuel type
Coal
Boiler
5 ft 2 in (1,575 mm) x 14 ft 6 in (4,420 mm)
Boiler pressure
175 psi (1.21 MPa)
Heating surface
2,180 sq ft (203 m2)
Cylinders
Four, two outside high-pressure, two inside low-pressure
High-pressure cylinder
15 in × 24 in (381 mm × 610 mm)
Low-pressure cylinder
20+1⁄2 in × 24 in (521 mm × 610 mm)
Valve gear
Joy
Career
Operators
London and North Western Railway, London, Midland and Scottish Railway
Class
F
Power class
LMS: 3F
Number in class
12
Withdrawn
1921–28
Disposition
10 rebuilt to class G1 1921–25; 2 scrapped 1927–28
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