Manufacture of turbine castings for Mauretania (1907)

[taken from album captions]
1. (Port H.P. [High Pressue]) Boreing head for Boring out casing at first Expansion 28ft Long and 8ft 7ins Diameter. [detail image]
2. (Starboard H.P.) Turning Starboard H. P. Rotor Dummy for Labyrinth Packing about 8ft Diameter. [Workman in image controlling the machine].
3. (Starboard L.P. [Low Pressure]) Turning and Grooving of Dummy Rotor to take Labyrinth pacxling. [detail image]
4. (Starboard L.P.) Starboard L.P. Turning and Grooving first Expansion for Blading.
5. Tool holder for turning up the P.L.P. Roto Dummy (9ft 9ins Diameter), also showng the First Expansion Blades removed. [detail image]
6. (Port L.P.) Rotor showing 6th Expansion Blades removed. [detail image]
7. This shows Tool holders for Machinery Steering Gear Dummy Crosshead Pin in Place (Pin is 16 3/4ins Diameter and 22ins Long).
8. (Port L.P. Turning Gear) Motor driven Turning Gear showing the Coventry Chain drive enclosed in case (Oil Bath).
9. (Port L.P.) This shows Boring head for removing 8 rows of casing blading foundations at 1st Expansion L.P., also Boring head for turning up cylinder Dummy Wall and Spigot.
10. (Port H.P. Turning Gear) Motors and Bevel Drive turning Rotor at Peripheral Speed 40ft per Minute.
11. (Starboard L.P.) Boring head for removing 8 rows of 5th Expansion Casing blading foundations mounted on Rotor 11ft Diameter at Rotor 14ft bore of Casing.
12. (Port L.P.) Method of Milling Labyrinth Packing Port L.P.
13. (Starboard L.P.) Milling Labyrinth Packing . [detail of above print]
14. (Starboard L.P.) Milling the Labyrinth Packing Strips. [different detail of plate 13]
15. (Mauretania) Nov 1923. Before scaling [view of bottom plating when in drydock].
16. (Mauretania) Nov 1923. Before scaling [another view of bottom plating when in drydock].
17. Mauretania) Nov 1923. After scaling [view of bottom plating when in drydock with workers].

Object Details

ID: ALB0468
Type: Photograph album
Display location: Not on display
Creator: John I. Thornycroft & Co. Ltd
Date made: November 1923
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 260 mm x 330 mm
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