| Description | Date | Identifier | |
| Meeting notes on the reduction of fan pulley inertia and cylinder bore wear. | 3rd Jun 1941 | Box 174 \ 3 img299 | |
| Agenda for an upcoming 'unmask' conference listing points for discussion. | 16th Jul 1941 | Box 174 \ 3 img300 | |
| Minutes of a design conference discussing engine running-on after switching off and propeller shaft extensions. | 11th Jul 1941 | Box 174 \ 3 img301 | |
| Valve spring surge, push rods, and petrol consumption/idling issues. | 11th Jul 1941 | Box 174 \ 3 img302 | |
| Meeting notes page discussing issues with servo drums, 3.5-litre engine bore wear, quick steam valves, and flush top pistons. | 11th Jul 1941 | Box 174 \ 3 img303 | |
| Meeting minutes detailing engine component investigations, replacements, and new specifications. | 11th Jul 1941 | Box 174 \ 3 img304 | |
| Report page detailing discussions on various vehicle components and issues like pistons, tyres, and engines. | 11th Jul 1941 | Box 174 \ 3 img305 | |
| Progress report on various engineering developments, tests and comparisons with other manufacturers. | 11th Dec 1931 | Box 174 \ 3 img306 | |
| Meeting minutes discussing developments and tests on various vehicle components such as axles, chassis, frames, and shafts. | 11th Jul 1941 | Box 174 \ 3 img307 | |
| Announcing the time and date for a Testers' Conference. | 8th Jul 1941 | Box 174 \ 3 img308 | |
| Announcing a Testers' Conference. | 6th Aug 1941 | Box 174 \ 3 img309 | |
| Minutes from a Testers' Conference held in August 1941, discussing various engine and vehicle issues. | 11th Aug 1941 | Box 174 \ 3 img310 | |
| Meeting report detailing the status of various engine and component development projects. | 11th Aug 1941 | Box 174 \ 3 img311 | |
| List of action points and updates on various component tests and design considerations. | 11th Aug 1941 | Box 174 \ 3 img312 | |
| Meeting notes detailing progress on various vehicle components including axles, chassis, frames, and engines. | 11th Aug 1941 | Box 174 \ 3 img313 | |
| Postponing the display of Myrth parts until the week commencing October 6th. | 20th Sep 1941 | Box 174 \ 3 img314 | |
| Progress report on the Senior Range Rationalised Chassis, detailing mileage and faults. | 3rd Oct 1941 | Box 174 \ 3 img315 | |
| Progress report detailing issues and mileage tests on various vehicle components. | 5th Oct 1941 | Box 174 \ 3 img316 | |
| Petrol consumption, cylinder bore wear, and four-cylinder engine tests. | 3rd Oct 1941 | Box 174 \ 3 img317 | |
| 'Myth' project, detailing parts availability and a lack of progress on the frame and body. | 3rd Oct 1941 | Box 174 \ 3 img318 | |
| Final test results on reconditioned 'R' engines for the 'Miss England II' race boat, detailing fuel composition and performance. | 12th Dec 1930 | Box 174 \ 4 img001 | |
| Overhaul of 'R' engines No. 17 and 19 for the 'Miss England II' racing boat. | 17th Jun 1931 | Box 174 \ 4 img002 | |
| The arrival and preparation of the 'Miss England II' boat in Buenos Aires. | 22th Mar 1931 | Box 174 \ 4 img003 | |
| Boat engine test run, detailing operational issues and performance figures. | 23th Mar 1931 | Box 174 \ 4 img004 | |
| Sourcing of temporary manifolds and the examination and repair of engine components in Buenos Aires and Tigre. | 25th Mar 1931 | Box 174 \ 4 img005 | |
| Engine tests, figures obtained, and subsequent failures on a boat. | 27th Feb 1931 | Box 174 \ 4 img006 | |
| Daily log from March 1931 detailing tests and modifications on a boat, including fitting a new water scoop and propeller. | 28th Mar 1931 | Box 174 \ 4 img007 | |
| Boat engine test runs, detailing performance figures, speed attempts, and throttle adjustments. | 1st May 1931 | Box 174 \ 4 img008 | |
| Daily log detailing post-run engine inspections and preparations for exhibiting and shipping a boat. | 3rd Apr 1931 | Box 174 \ 4 img009 | |
| Engine performance during fast motor boat runs, focusing on the cooling and exhaust systems. | 1st May 1931 | Box 174 \ 4 img010 | |
| Cover note for a report from Garner regarding the running of 'R' engines in 'Miss England II' at Detroit. | 15th Oct 1931 | Box 174 \ 4 img011 | |
| Log of events and performance tests for the 'Miss England II' boat at Detroit. | 13th Oct 1931 | Box 174 \ 4 img012 | |
| Log of daily testing and maintenance activities for the 'Miss England II' boat at Detroit. | 1st Aug 1931 | Box 174 \ 4 img013 | |
| Test report on the reconditioned R.17 engine for the Miss England II boat. | 1st Aug 1931 | Box 174 \ 4 img014 | |
| Performance, issues, and race incidents of the 'Miss England II' boat at Detroit. | 1st Aug 1931 | Box 174 \ 4 img015 | |
| Test results and reconditioning notes for the R.19 engine for Miss England II. | 1st Aug 1931 | Box 174 \ 4 img016 | |
| Crankshaft failure on an 'R'11 engine, detailing the conditions of failure, damage observed, and the crankshaft's running history. | 13th Dec 1930 | Box 174 \ 4 img017 | |
| Engine testing involving fuel, spark plugs, detonation, pre-ignition, and component failure analysis. | 13th Dec 1930 | Box 174 \ 4 img018 | |
| Blueprint graph showing final power curves for Miss England engines R.17 and R.19. | 18th Jun 1931 | Box 174 \ 4 img019 | |
| Final power curves for 'Miss England' R-Type engines R.17 and R.19. | 20th Jun 1931 | Box 174 \ 4 img020 | |
| Power curve chart for the R-17 direct drive engine developed for the 'Miss England I' racing boat. | 9th Dec 1930 | Box 174 \ 4 img021 | |
| Blueprint diagram illustrating a crack in the crankshaft of an R-11 engine. | 8th Dec 1930 | Box 174 \ 4 img022 | |
| Blueprint illustrating a crack in the crankshaft of an R II engine. | 8th Dec 1930 | Box 174 \ 4 img023 | |
| Power curve chart for the 'R' Engine direct drive for Miss England II. | 9th Dec 1939 | Box 174 \ 4 img024 | |
| Photograph of the Blue Bird K4 hydroplane on its transport trailer. | 9th Dec 1939 | Box 174 \ 4 img025 | |
| Photograph of a Parkinson milling machine setup for machining an impeller. | 9th Dec 1939 | Box 174 \ 4 img026 | |
| Photograph showing the capsized 'Miss England II' racing boat with other boats nearby, including one with an official's flag. | 9th Dec 1939 | Box 174 \ 4 img028 | |
| Photograph of the speedboat 'MIS' on the water with its engine exposed. | 9th Dec 1939 | Box 174 \ 4 img029 | |
| Photograph showing a close-up of a component held in a three-jaw chuck for a machining or inspection operation. | 9th Dec 1939 | Box 174 \ 4 img030 | |
| Photograph of a J. Parkinson & Son horizontal milling machine in a workshop. | 9th Dec 1939 | Box 174 \ 4 img032 | |
| Photograph of a vertical profiling or milling machine in operation. | 9th Dec 1939 | Box 174 \ 4 img033 | |
| Photograph showing a close-up of a helical milling cutter machining a component, likely a bevel gear. | 22th Jan 1937 | Box 174 \ 4 img034 | |
| Close-up photograph of a metalworking machine tool in operation. | 22th Jan 1937 | Box 174 \ 4 img035 | |
| Close-up photograph of a No. 3 Cincinnati milling machine. | 22th Jan 1937 | Box 174 \ 4 img036 | |
| Photograph of a machined impeller mounted on a V-block inspection fixture. | 22th Jan 1937 | Box 174 \ 4 img037 | |
| Short typed memo responding to two paragraphs from a previous note regarding a bonus and claim involving 'EP senior' and 'EP junior'. | 11th Nov 1931 | Box 174 \ 5 img001 | |
| Letter regarding an insurance claim for a son's medical condition, mentioning Lord Wakefield and Miss England II. | 11th Nov 1931 | Box 174 \ 5 img002 | |
| Suggestion for payment to Lord Wakefield and a bonus received by EP Junior. | 10th Nov 1931 | Box 174 \ 5 img003 | |
| Expenses and disability claim for Eric Royce Platford following an accident during the 'Miss England II in America' event. | 9th Nov 1931 | Box 174 \ 5 img004 | |
| Expense claim for personal damages following an accident involving Miss England II. | 4th Nov 1931 | Box 174 \ 5 img005 | |
| Containing four handwritten names or signatures. | 24th Sep 1931 | Box 174 \ 5 img006 | |
| Medical certificate for Mr Roy Phelford, who is unable to work due to a shoulder contusion. | 24th Sep 1931 | Box 174 \ 5 img007 | |
| Short typed memo providing an instruction. | 5th Oct 1931 | Box 174 \ 5 img008 | |
| Extracting a medical update on a shoulder injury and required massage treatment. | 5th Oct 1931 | Box 174 \ 5 img009 | |
| Internal note concerning an injury sustained by E.R. Platford. | 24th Sep 1931 | Box 174 \ 5 img010 | |
| Employee's arm injury which has disabled him from employment. | 24th Sep 1931 | Box 174 \ 5 img011 | |
| Memo regarding an employee's medical examination, treatment, and insurance claim. | 25th Sep 1931 | Box 174 \ 5 img012 | |
| Letter responding to a previous communication regarding an appeal to the Chairman. | 31th Jan 1931 | Box 174 \ 5 img013 | |
| The second page of a letter from a father regarding a provision for his late son's family and an application made to the company. | 31th Jan 1931 | Box 174 \ 5 img014 | |
| Letter clarifying a misunderstanding and expressing gratitude for support offered after a disaster. | 31th Jan 1931 | Box 174 \ 5 img015 | |
| Letter discussing personal matters and arrangements following a death and inquest. | 31th Jan 1931 | Box 174 \ 5 img016 | |
| Excerpt of a letter discussing the welfare of a bereaved family and the offer of counsel. | 31th Jan 1931 | Box 174 \ 5 img017 | |
| Letter discussing the funding and design for a memorial stone for the author's son. | 31th Jan 1931 | Box 174 \ 5 img018 | |
| Suggestion to the drawing office to pay tribute to a deceased colleague by sending a suitable sketch or design. | 26th Jan 1931 | Box 174 \ 5 img019 | |
| Letter to H. Halliwell, Esq. regarding the fitting of an H.S. Carburettor to a 20 HP car. | 26th Jan 1931 | Box 174 \ 5 img020 | |
| Letter to Lord Wargrave regarding a deceased employee who made the supreme sacrifice. | 20th Jan 1931 | Box 174 \ 5 img021 | |
| Letter from the father of the engineer who perished with Sir Henry Segrave discussing a suitable memorial. | 20th Jan 1931 | Box 174 \ 5 img022 | |
| Letter from W.H. Halliwell requesting reconsideration of a decision regarding the cost of a grave and memorial for his son. | 18th Jun 1930 | Box 174 \ 5 img023 | |
| Letter of condolence from Portishead Church Council regarding the death of a son and waiving interment fees. | 18th Jun 1930 | Box 174 \ 5 img024 | |
| Page featuring a biblical quote from John and a poem by Emerson. | 1st Jun 1930 | Box 174 \ 5 img025 | |
| Bereavement thank you card from the Halliwell family. | 1st Jun 1930 | Box 174 \ 5 img026 | |
| 'In Loving Memory' notice for Percival Victor C. Halliwell, B.Sc. | 13th Jun 1930 | Box 174 \ 5 img027 | |
| Letter regarding the drowning of Percy Halliwell and a refused request for mourning expenses. | 18th Dec 1930 | Box 174 \ 5 img028 | |
| Appropriate response to a letter from a Mr. Halliwell. | 9th Dec 1930 | Box 174 \ 5 img029 | |
| Letter requesting a contribution towards a gravestone for a deceased employee. | 6th Dec 1930 | Box 174 \ 5 img030 | |
| Suggestion for a memorial stone design for Sir Henry Segrave following his death. | 10th Dec 1930 | Box 174 \ 5 img031 | |
| Letter declining further payments in connection with an accident at Windermere. | 10th Dec 1930 | Box 174 \ 5 img032 | |
| Midland Bank credit slip for a payment from Rolls-Royce Ltd. | 6th Nov 1930 | Box 174 \ 5 img033 | |
| Letter from solicitor Allan V. Nutt concerning the deceased P.V.C. Halliwell. | 5th Sep 1930 | Box 174 \ 5 img034 | |
| Letter to a solicitor denying liability for expenses concerning the late P.V.C. Halliwell. | 4th Sep 1930 | Box 174 \ 5 img035 | |
| Letter from solicitor Allan V. Nutt to Mr. De Looze, enclosing a letter from Mr. Halliwell and asking when to inform him that Rolls-Royce denies responsibility for expenses. | 3rd Sep 1930 | Box 174 \ 5 img036 | |
| Follow-up letter to Mr. Nutt regarding a discussion about expenses and a recommendation for a son's estate. | 2nd Sep 1930 | Box 174 \ 5 img037 | |
| Letter confirming a change of name on Saving Certificates has been completed. | 29th Aug 1930 | Box 174 \ 5 img038 | |
| Letter to Mrs. Halliwell enclosing a copy of a letter from Capt. Irving regarding a £10 investment. | 25th Aug 1930 | Box 174 \ 5 img039 | |
| Letter from Captain J.S. Irving enclosing a £10 donation for a fund to support Mrs. Halliwell, the widow of a former employee. | 9th Jul 1923 | Box 174 \ 5 img040 | |
| Letter from Gertrude M. Halliwell regarding the receipt of a cash box and administrative forms. | 24th Aug 1930 | Box 174 \ 5 img041 | |
| Letter to Mrs. Halliwell regarding the return of her cash box and papers. | 22th Aug 1930 | Box 174 \ 5 img042 | |
| List of War Savings Certificates purchased by Mrs. Halliwell, detailing dates, quantities, and serial numbers from 1921 to 1923. | 29th Oct 1924 | Box 174 \ 5 img043 | |
| List of certificates with corresponding dates, reference numbers, and prices. | 29th Oct 1924 | Box 174 \ 5 img044 | |
| List of War Savings Certificates purchased by Mrs. Halliwell, detailing dates, quantities, and serial numbers from 1921 to 1923. | 28th Jun 1923 | Box 174 \ 5 img045 | |
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