The folder contains x plans of various lanterns produced by the Gas Accumulator Company (UK) Limited (AGA), with a focus on the lantern provided for Spurn Lightship [HCB LV 12]. The drawings including in the file are as follows:

1. Drawing No. 330: Accumulator Battery

2. Drawing No. 911: A.G.A. Lightvalve V.S. 10

3. Drawing No. 940: A.G.A. Flasher K80

4. Drawing No. 1187: A.G.A. High Pressure Valve General Arrangement

5. Drawing No. 1188: Standard A.G.A. Acetylene Unions

6. Drawing No. 2033: A.G.A. K130 Flasher Diagramtic Arrangement

7. Drawing No. 2662: A.G.A. Flasher K130

8. Drawing No. 3379: KK 130 Flasher Auxiliary Valve Schematic Arrangement

9. Drawing No. 3843: A.G.A. KK-130 Flasher

10. Drawing No. 1K 4107: AGA K80 Flasher

11. Drawing No. Y. 8219: Modified striker heads for CO2 bell striking mechanism

12. Drawing No. 22513: China Bakir Lightship

The folder also contains two booklets with explanatory notes on the drawing and instructions related to the care of AGA lanterns (including instructions as to the care and maintenance of the lantern fitted to the Spurn Lightship.