| Description | Date | Identifier | |
| Technical memo detailing modifications and adjustments for the Wraith II Brake Pedal Countershaft. | 17th Jul 1936 | Box 7 \ 7 X 606 Brakes-page017 | |
| Technical memorandum regarding the rear brake intermediate levers for the Wraith II model. | 17th Jul 1958 | Box 7 \ 7 X 606 Brakes-page018 | |
| Attachment of aluminium brake drums for the Wraith II model. | 24th Aug 1936 | Box 7 \ 7 X 606 Brakes-page019 | |
| The Wraith II brakes, specifically concerning the rear brake equaliser and the idler lever. | 29th Aug 1936 | Box 7 \ 7 X 606 Brakes-page020 | |
| Alterations to the Wraith II clutch casing for the fitment of a front brake damper. | 31th Aug 1936 | Box 7 \ 7 X 606 Brakes-page021 | |
| Adjustments and specifications for the Wraith II brake system, including lever stops and pedal travel. | 21th May 1936 | Box 7 \ 7 X 606 Brakes-page022 | |
| Layout of the Wraith II gear and hand brake levers. | 1st Sep 1936 | Box 7 \ 7 X 606 Brakes-page023 | |
| Modifications to the Wraith II brakes system. | 7th Sep 1936 | Box 7 \ 7 X 606 Brakes-page024 | |
| Provision of stops on the servo cam levers for the Wraith II brakes to prevent failure. | 10th Sep 1936 | Box 7 \ 7 X 606 Brakes-page025 | |
| Adjustments to the Wraith II brake system, including servo cam lever angles and pedal travel. | 11th Sep 1936 | Box 7 \ 7 X 606 Brakes-page026 | |
| Modification to the front brake operation for the Wraith II model. | 18th Sep 1936 | Box 7 \ 7 X 606 Brakes-page027 | |
| Modification to the front brake operation for the Wraith II model. | 18th Sep 1936 | Box 7 \ 7 X 606 Brakes-page028 | |
| Covering memo for diagram N.Sch.4916, which illustrates the brake leverages for the Wraith II car. | 30th Sep 1936 | Box 7 \ 7 X 606 Brakes-page029 | |
| Diagram of brake linkages and leverage calculations for the Wraith II model. | 29th Jan 1936 | Box 7 \ 7 X 606 Brakes-page030 | |
| Modification to the hand brake connection and rear brake equaliser for the Wraith II model. | 6th Oct 1936 | Box 7 \ 7 X 606 Brakes-page031 | |
| Modifications and experiments for the Wraith II brake system, specifically regarding dampers and lubrication bushes. | 2nd Oct 1936 | Box 7 \ 7 X 606 Brakes-page032 | |
| Modification of Wraith brake shoes to be compatible with an automatic rivetter. | 4th Jan 1937 | Box 7 \ 7 X 606 Brakes-page033 | |
| Design alteration for Wraith brake shoes to accommodate a new type of rivet. | 11th Jan 1937 | Box 7 \ 7 X 606 Brakes-page034 | |
| Agreeing to modify the Wraith II front brakes by replacing rivets with bolts on the brake carrier plate for easier assembly. | 12th Jan 1937 | Box 7 \ 7 X 606 Brakes-page035 | |
| Report from the Experimental Department regarding modifications to the Wraith II front brakes. | 14th Jan 1937 | Box 7 \ 7 X 606 Brakes-page036 | |
| Foul in the Wraith II front brake operating link and a proposed modification to piece GW.890. | 18th Jan 1937 | Box 7 \ 7 X 606 Brakes-page037 | |
| Secret memo detailing cost-reduction modifications to the Wraith II rear brake linkage. | 22th Jan 1937 | Box 7 \ 7 X 606 Brakes-page038 | |
| Agreement to finish the actuating rod and nuts for the Phantom III and Wraith II hand brake levers in dull nickel. | 28th Jan 1937 | Box 7 \ 7 X 606 Brakes-page039 | |
| Suggested modification to the fulcrum pin on the brake bell crank lever for the Wraith model. | 3rd Feb 1937 | Box 7 \ 7 X 606 Brakes-page040 | |
| Instruction to change the thickness of the rear carrier plate for the Wraith II rear brakes. | 9th Feb 1937 | Box 7 \ 7 X 606 Brakes-page041 | |
| Modifications to the Wraith II rear brakes, specifically concerning the pull-off springs. | 17th Feb 1937 | Box 7 \ 7 X 606 Brakes-page042 | |
| Modifications to the Wraith II rear brakes based on experience with the first car. | 1st Mar 1937 | Box 7 \ 7 X 606 Brakes-page043 | |
| List of engineering modifications and instructions for vehicle components. | 2nd May 1937 | Box 7 \ 7 X 606 Brakes-page044 | |
| Secret memo about revised brackets for the Wraith III brakes. | 2nd May 1937 | Box 7 \ 7 X 606 Brakes-page045 | |
| Modifications to the Wraith III brake linkage system. | 10th Mar 1937 | Box 7 \ 7 X 606 Brakes-page046 | |
| Agreeing to a proposal for the inner bearing for toggle shafts on the Wraith rear brakes. | 11th Mar 1937 | Box 7 \ 7 X 606 Brakes-page047 | |
| The potential deletion of the air dashpot from the Wraith III brakes. | 17th Mar 1937 | Box 7 \ 7 X 606 Brakes-page048 | |
| Modification to the Wraith III rear brake bell crank levers. | 17th Mar 1937 | Box 7 \ 7 X 606 Brakes-page049 | |
| Modification to the Wraith III rear brake camshaft lever. | 22th Mar 1937 | Box 7 \ 7 X 606 Brakes-page050 | |
| Directive to nickel plate all future Wraith brake drum liners to prevent corrosion. | 31th Mar 1937 | Box 7 \ 7 X 606 Brakes-page051 | |
| Secret memo requesting a revised scheme for the Wraith brakes to include a felt washer. | 6th Apr 1937 | Box 7 \ 7 X 606 Brakes-page052 | |
| The addition of pull-off springs for the Wraith III rear brakes. | 24th Apr 1937 | Box 7 \ 7 X 606 Brakes-page053 | |
| Substitute for solder on the oil catcher for Wraith III brakes. | 24th Apr 1937 | Box 7 \ 7 X 606 Brakes-page054 | |
| Examination of Wraith brakes, detailing pedal pressures under various conditions and emergency functionality. | 4th May 1937 | Box 7 \ 7 X 606 Brakes-page055 | |
| Technical report page detailing the performance and issues with a vehicle's braking system. | 4th May 1937 | Box 7 \ 7 X 606 Brakes-page056 | |
| Brake performance, covering stopping distances and squeaking issues. | 4th May 1937 | Box 7 \ 7 X 606 Brakes-page057 | |
| Modifications to the Wraith III front brake linkage, introducing an idler lever. | 10th May 1937 | Box 7 \ 7 X 606 Brakes-page058 | |
| Sending three 'Gaco' material Brake Rope Guides for testing on a Wraith chassis. | 19th May 1937 | Box 7 \ 7 X 606 Brakes-page059 | |
| Requesting the fitting of new brake parts for a Wraith vehicle. | 24th May 1937 | Box 7 \ 7 X 606 Brakes-page060 | |
| Testing of obsolete Wraith chassis brake rope guides which are being replaced by a new design. | 31th May 1937 | Box 7 \ 7 X 606 Brakes-page061 | |
| Instructing a change to Ferodo M.L. brake linings for Wraith model 20.G.Vl. | 8th Jun 1937 | Box 7 \ 7 X 606 Brakes-page062 | |
| Modification to the Wraith III brakes. | 10th Jun 1937 | Box 7 \ 7 X 606 Brakes-page063 | |
| Modification to the Wraith III front brakes concerning the bolts used to attach the brake drum. | 14th Jun 1937 | Box 7 \ 7 X 606 Brakes-page064 | |
| Modification to the Wraith III rear brakes, involving the substitution of fitting bolts. | 11th Aug 1937 | Box 7 \ 7 X 606 Brakes-page065 | |
| Modification to the Wraith III rear brakes, changing from welded to bolted sheet metal brackets. | 17th Jun 1937 | Box 7 \ 7 X 606 Brakes-page066 | |
| Stiffener for the rear brakes on the Wraith III model. | 28th Jun 1937 | Box 7 \ 7 X 606 Brakes-page067 | |
| Request to manufacture a new plate lever for the Wraith's front brake equaliser. | 1st Jul 1937 | Box 7 \ 7 X 606 Brakes-page068 | |
| Instruction to fit lever Rm.405 to the front brake mechanism on a Wraith car. | 2nd Jul 1937 | Box 7 \ 7 X 606 Brakes-page069 | |
| Failure and redesign of a bell crank lever for the Wraith front brakes. | 9th Jul 1937 | Box 7 \ 7 X 606 Brakes-page070 | |
| Required modifications for the brakes on a Wraith 24.0.V1. | 2nd Aug 1937 | Box 7 \ 7 X 606 Brakes-page071 | |
| Instructions for fitting stiffer brake toggles and using 'Keenol' grease on Bentley and Wraith models. | 3rd Jun 1937 | Box 7 \ 7 X 606 Brakes-page072 | |
| Instructions for relining the brakes on the Wraith Maroon Car 24.G.Vl to reduce squeaks. | 5th Aug 1937 | Box 7 \ 7 X 606 Brakes-page073 | |
| Letter regarding a paint mismatch for the bonnet on a 30.HP, body No.4319, and a request for a correct replacement. | 13th Aug 1937 | Box 7 \ 7 X 606 Brakes-page074 | |
| Instructions for modifying the brakes on a Wraith 25 G VI. | 30th Aug 1937 | Box 7 \ 7 X 606 Brakes-page075 | |
| Complaints about the Wraith Hand Brake's rigidity and a request to produce a modified, spongier shaft. | 1st Sep 1937 | Box 7 \ 7 X 606 Brakes-page076 | |
| Instruction to reline the brakes on a Wraith 24.G.VI with a new material, Halo 32, and to test for squeaks. | 1st Sep 1937 | Box 7 \ 7 X 606 Brakes-page077 | |
| Application of tipping shoes to the front brakes for the Wraith model. | 9th Sep 1937 | Box 7 \ 7 X 606 Brakes-page078 | |
| Urgent request for the application of G.CD.39 tipping shoes to the Wraith III's aluminium rear brake shoes. | 1st Sep 1937 | Box 7 \ 7 X 606 Brakes-page079 | |
| Requesting brake adjustments and checks for a Wraith car, chassis 25-G-VI. | 28th Sep 1937 | Box 7 \ 7 X 606 Brakes-page080 | |
| Brake modification instructions for a Wraith 24-G-VI. | 14th Oct 1937 | Box 7 \ 7 X 606 Brakes-page081 | |
| The testing and design of steel brake shoes for the rear of the Wraith model. | 14th Oct 1937 | Box 7 \ 7 X 606 Brakes-page082 | |
| Issue of excessive front braking on the Wraith model, leading to wheel lock and premature wear. | 20th Oct 1937 | Box 7 \ 7 X 606 Brakes-page083 | |
| Issue with uneven front brake performance on the Wraith model. | 20th Oct 1937 | Box 7 \ 7 X 606 Brakes-page084 | |
| Request to re-line the brakes on a Wraith car (26-G-VI) with American Thermoid D.35.IH to cure squeaks. | 20th Oct 1937 | Box 7 \ 7 X 606 Brakes-page085 | |
| Suggestion to modify brackets on the front brake intermediate shaft for the Wraith III model. | 21th Oct 1937 | Box 7 \ 7 X 606 Brakes-page086 | |
| Design comparison for a Wraith III front brake intermediate lever, showing an existing multi-part scheme and a suggested single-piece scheme. | 21th Oct 1937 | Box 7 \ 7 X 606 Brakes-page087 | |
| The brake specifications for the first six production Wraith cars. | 22th Oct 1937 | Box 7 \ 7 X 606 Brakes-page088 | |
| Modification scheme for the Wraith III rear hub and brake drum end plate. | 2nd Nov 1937 | Box 7 \ 7 X 606 Brakes-page089 | |
| Modifications to the Wraith brake system to prevent brake drag and front brake thump. | 10th Nov 1937 | Box 7 \ 7 X 606 Brakes-page090 | |
| Modification to the Wraith's brake shoes by cutting a hole to reduce squeaks. | 29th Nov 1937 | Box 7 \ 7 X 606 Brakes-page091 | |
| Four schemes for modifications to the Wraith III brake operating mechanism. | 1st Dec 1937 | Box 7 \ 7 X 606 Brakes-page092 | |
| Two complaints and proposed solutions regarding the Wraith model's hand brake lever. | 9th Dec 1937 | Box 7 \ 7 X 606 Brakes-page093 | |
| Instructions regarding the supply and material change of brake linings for the Wraith III chassis. | 16th Dec 1937 | Box 7 \ 7 X 606 Brakes-page094 | |
| Modification to the Wraith III front brake intermediate lever to improve interchangeability with the Bentley III. | 10th Jan 1938 | Box 7 \ 7 X 606 Brakes-page095 | |
| The seizure of pin joints on the Wraith brakes and the fitting of a protective shield. | 6th Jan 1938 | Box 7 \ 7 X 606 Brakes-page096 | |
| Trial of a four-shoe brake on the Wraith front axle to solve brake squeak problems. | 13th Jan 1938 | Box 7 \ 7 X 606 Brakes-page097 | |
| Proposal for a 4-shoe brake experiment on a Wraith, comparing its drums to Bentley models. | 13th Jan 1938 | Box 7 \ 7 X 606 Brakes-page098 | |
| Request to reline badly squeaking brakes on vehicle 28.G.VI with Ferodo VG.91. | 14th Jan 1938 | Box 7 \ 7 X 606 Brakes-page099 | |
| The design and material specifications for the Wraith 4 shoe front brake. | 18th Jan 1938 | Box 7 \ 7 X 606 Brakes-page100 | |
| Instruction on the lubrication of Wraith brake pins and associated mechanisms using Duckhams K.G.20 grease. | 22th Jan 1938 | Box 7 \ 7 X 606 Brakes-page101 | |
| Modifications and testing for the front brakes on a Wraith. | 24th Jan 1938 | Box 7 \ 7 X 606 Brakes-page102 | |
| Brake drums and shoes for the first 100 Wraith cars. | 28th Jan 1938 | Box 7 \ 7 X 606 Brakes-page103 | |
| Requesting the fitting of a specific brake specification to two more Wraith cars. | 31th Jan 1938 | Box 7 \ 7 X 606 Brakes-page104 | |
| Specifying the use of Thermoid brake lining for the first 100 Wraith cars. | 1st Feb 1938 | Box 7 \ 7 X 606 Brakes-page105 | |
| The addition of a spring and shield to the Wraith III hand brake lever to resolve a clicking sound and prevent corrosion. | 28th May 1938 | Box 7 \ 7 X 606 Brakes-page106 | |
| Design issue and proposed solution for Cast Iron (C.I.) brake shoes for the Wraith rear brakes. | 2nd Feb 1938 | Box 7 \ 7 X 606 Brakes-page107 | |
| Need for a sheet metal guard for the Wraith brakes to protect them from mud. | 3rd Feb 1938 | Box 7 \ 7 X 606 Brakes-page108 | |
| Squeaking brakes on a Wraith 28.G.VI and a request for relining. | 5th Feb 1938 | Box 7 \ 7 X 606 Brakes-page109 | |
| Instruction to modify Wraith brakes to reduce squeaking by fabricating new levers. | 17th Feb 1938 | Box 7 \ 7 X 606 Brakes-page110 | |
| List of blueprints for the four-shoe front brakes on the Wraith III. | 24th Feb 1938 | Box 7 \ 7 X 606 Brakes-page111 | |
| Layout of the Wraith III brake system, accompanying a blueprint of the brake leverages. | 24th Feb 1938 | Box 7 \ 7 X 606 Brakes-page112 | |
| Scheme to modify the Wraith III brake pedal lever and quadrant to increase clearance. | 25th Feb 1938 | Box 7 \ 7 X 606 Brakes-page113 | |
| Safety stops for the Wraith's braking system. | 28th Feb 1938 | Box 7 \ 7 X 606 Brakes-page114 | |
| Performance and discontinuation of tipping shoes for Wraith rear brakes. | 28th Mar 1938 | Box 7 \ 7 X 606 Brakes-page115 | |
| List of brake modifications for a 25.G.VI model car. | 29th Mar 1938 | Box 7 \ 7 X 606 Brakes-page116 | |
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