| Description | Date | Identifier | |
| Summary of tests on different rear spring setups and their effects on vehicle handling and ride comfort. | 9th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan028 | |
| The results of crankshaft torsion tests on a 20 HP shaft at various machining stages. | 9th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan029 | |
| Analysis of crankshaft stiffness, comparing test and calculated values and discussing the reinforcing effect of bearings. | 9th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan030 | |
| Crankshaft testing, including deflection, 'bell-mouthing', and analysis of various engine models. | 6th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan031 | |
| Graph showing the results of a torsion test on a 20 HP crankshaft from its initial forging to the finished shaft. | 6th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan032 | |
| Heavily faded and illegible document, with only a date stamp remaining visible. | 10th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan033 | |
| Graph showing the deflection of a 20 HP central journal when twisting a crankshaft. | 9th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan034 | |
| Graph and table detailing crankshaft torsion tests for Phantom and 20 HP models. | 7th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan035 | |
| Torsion test results for a 20 HP crankshaft, from the forging stage to the finished shaft. | 7th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan036 | |
| Blank page with a print room stamp. | 10th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan037 | |
| The advantages and testing of an auto charge control switch, intended for an experimental car and then Mr. Royce's car. | 10th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan038 | |
| Notes on the advantages of the R.R. electrical system incorporating the auto charge control switch. | 9th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan039 | |
| The function and arrangement of auto switches for battery charging and ignition control. | 3rd Jun 1927 | West Wittering \ R \ 2December1927-February1928 Scan040 | |
| Continued page discussing battery ignition testing and running the vehicle without charge. | 3rd Jun 1927 | West Wittering \ R \ 2December1927-February1928 Scan041 | |
| Comparison of the auto exit charge control switch against the Midgley auto switch, listing its advantages. | 3rd Jun 1927 | West Wittering \ R \ 2December1927-February1928 Scan042 | |
| List of advantages for dispensing with a series coil and using rigid contacts in an electrical system. | 3rd Jun 1927 | West Wittering \ R \ 2December1927-February1928 Scan043 | |
| Dynamo and battery charging characteristics, including brush wear and vibration. | 3rd Jun 1927 | West Wittering \ R \ 2December1927-February1928 Scan044 | |
| Battery charging, overcharging, and maintenance procedures. | 12th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan045 | |
| Performance and modification of an experimental auto charge control switch on chassis 14-EX. | 12th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan046 | |
| Test results of different ignition contact point configurations and materials. | 12th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan047 | |
| The testing of different scrubbing arm types and combinations on an experimental chassis. | 12th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan048 | |
| Proposal for a new 'Sequence Starter 2B Scheme' and its various implementations on chassis 9-EX. | 12th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan049 | |
| The switchbox on the 14-EX model, noting its magneto function and additional earthing switch. | 13th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan050 | |
| Prolonged testing and performance characteristics of a Bosch magneto for a 20 HP chassis. | 13th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan051 | |
| Magneto specifications and potential improvements for a 20 HP engine. | 13th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan052 | |
| Tests on modified cams to reduce the operational noise of a Watford EW6 Magneto. | 13th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan053 | |
| Experiments to determine the cause of noise in contact breakers and magnetos, focusing on cam shape and condenser discharge. | 13th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan054 | |
| Potential issue with a magneto's contact breaker lever causing noise and plans for further testing. | 14th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan055 | |
| Cover letter attaching a further report on noise reduction for a Watford ENG Magneto. | 14th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan056 | |
| Letter to North & Sons Ltd. regarding noise tests on EW6 magnetos and issues with cams and armature. | 13th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan057 | |
| The slow speed electrical performance of EW6 machines and a suggestion to use a larger air gap. | 14th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan058 | |
| Results of a crankshaft modification test, comparing weight and stiffness. | 14th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan059 | |
| Describing the Remy dynamo electrical equipment on a Stutz car. | 1st Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan060 | |
| The design and function of a motor's brushes, commutator, and engagement mechanism. | 1st Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan061 | |
| Detailed report on the switch, battery, and dual battery ignition system. | 1st Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan062 | |
| The condition of the ignition system and a description of the vehicle's lighting system. | 19th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan063 | |
| Issues with battery ignition distributor tracking and proposing further tests on a mushroom rotor. | 19th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan064 | |
| Advantages of different ignition coil designs with a nearly closed magnetic circuit. | 19th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan065 | |
| Continuation page describing the construction of a coil, its magnetic casing, and insulation. | 19th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan066 | |
| Comparing the crankshaft stiffness of a Stutz car shaft to the 40/50 HP and 20 HP shafts. | 19th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan067 | |
| General specification for the New Safety Stutz Car, including details on the engine, chassis, weight, and capacities. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan068 | |
| Engine's design and condition after a 3000-mile test, including details on the cylinder head. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan069 | |
| Detailed analysis and critique of a combustion head and valve gear design, with an accompanying blueprint diagram. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan070 | |
| Specification sheet detailing valve spring dimensions and camshaft construction and lubrication. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan071 | |
| Specifications for the cylinder block, crankcase, crankshaft, and pistons. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan072 | |
| Blueprint showing principal dimensions of a Stutz Crankshaft. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan073 | |
| Technical description and blueprint of a Stutz connecting rod, with notes on connecting rods and camshaft drives. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan074 | |
| Description of the engine's drive chain system and lubrication system. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan075 | |
| Page describing the engine's oil rectifier, sump, pump, and induction system, with a diagram of the oil rectifier. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan076 | |
| Page detailing the induction, water cooling, and ignition/electrical systems, including a diagram of a Stutz induction system. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan077 | |
| Continued description of the electrical system, clutch, gearbox, chassis, and axles. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan078 | |
| Page detailing specifications for the brakes, steering, and suspension systems. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan079 | |
| Page from a vehicle inspection report detailing chassis lubrication and required engine repairs. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan080 | |
| List of weights for various parts of a Stutz car engine and other components. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan081 | |
| Diagrammatic sketch of a Stutz-Zenith carburettor. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan082 | |
| Blueprint diagram illustrating Stutz engine valve lift and timing. | 19th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan083 | |
| Blank document page with a purple ink stamp from the Derby print room. | 19th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan084 | |
| Modifications to the 2A and 2B sequence starter schemes, including changes to teeth design for specific car models. | 20th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan085 | |
| Tyre noise tests comparing Dunlop, British Goodrich, and Goodyear tyres. | 22th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan086 | |
| Alarming tyre wear and high-speed steering wobble issues in American cars. | 22th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan087 | |
| The initial bench testing of Splitdorf magneto No. 31545, comparing its performance against other manufacturers. | 22th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan088 | |
| Examination and testing report on a Splitdorf Magneto Type SS No. 31545 from a Curtiss Aero Engine. | 22th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan089 | |
| Design flaws and failures of a Splitdorf magneto's distributor rotor. | 23th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan090 | |
| The performance and design flaws of a magneto, deeming it unsuitable for the Falcon engine. | 23th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan091 | |
| Results of three tests on ignition contact points. | 23th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan092 | |
| Testing a 10% gold 90% silver alloy for cutout contact points. | 23th Dec 1927 | West Wittering \ R \ 2December1927-February1928 Scan093 | |
| Test results for a Weir type induction pipe for the Phantom model. | 1st Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan094 | |
| Testing of a Hypoid Rear Axle, noting issues with Shatz type bearings and a proposal to change gears. | 1st Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan095 | |
| Simplified sequence starter scheme, including patent questions and instructing a new design to the Experimental Shop. | 4th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan096 | |
| Enquiry to Bosch for a suitable magneto for the 20 HP chassis. | 11th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan097 | |
| The production difficulties and unsatisfactory results in manufacturing a worm and nut for a free steering system. | 13th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan098 | |
| Preliminary cold distribution tests conducted on Weir type induction pipes for the Phantom model. | 3rd Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan099 | |
| Proposed tests to improve fuel distribution by lowering the carburettor position by lengthening the weir pipe bend. | 3rd Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan100 | |
| Induction pipe design, carburettor performance, and fuel distribution issues, specifically mentioning the 10-EX and Phantom models. | 3rd Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan101 | |
| Engine manifold design, comparing six-port and four-port systems for improved fuel distribution. | 3rd Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan102 | |
| Further tests on carburettors and induction systems for the 10-EX, Phantom, and Silver Ghost models. | 14th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan103 | |
| Experimental results from testing various combinations of features for tungsten ignition contact points. | 14th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan104 | |
| Summary of conclusions from a series of tests on distributor components, comparing performance with and without a scrubbing action. | 14th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan105 | |
| Continuation of a report on experimental tests of tungsten points and ignition coils. | 22th Nov 1927 | West Wittering \ R \ 2December1927-February1928 Scan106 | |
| Main switch magnet circuit and interlock system for a Super Sports sequence starter. | 14th Jan 1927 | West Wittering \ R \ 2December1927-February1928 Scan107 | |
| Continued discussion on carbon contacts, electrical and mechanical interlocks, and motor armature operation. | 14th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan108 | |
| Tests of three new exhaust manifold designs against the standard manifold on a 20 HP engine. | 17th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan109 | |
| Report discussing power loss in a standard manifold and comparing experimental designs with sketches. | 17th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan110 | |
| Note on increasing the pipe diameter of an experimental manifold to improve unidirectional flow. | 17th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan111 | |
| Performance graph comparing various experimental exhaust manifolds against a standard manifold and open exhausts on a 20 HP engine. | 17th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan112 | |
| Almost entirely illegible document with a purple ink stamp from the print room. | 17th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan113 | |
| Performance report on a Stutz car, detailing specifications and road behaviour. | 18th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan114 | |
| Test report on the performance of the gearbox, rear axle, brakes, and self-starter. | 18th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan115 | |
| Engine noises and general engine behaviour. | 18th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan116 | |
| Report page detailing engine performance, including speed, gearing, carburation, temperature and detonation. | 21th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan117 | |
| Performance comparison report between a Stutz and a Phantom, including an acceleration graph. | 21th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan118 | |
| Performance comparison of a Stutz versus a Phantom, including an acceleration graph and hill climb test results. | 1st Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan119 | |
| Graph of Engine RPM vs Road Speed for a New Safety Stutz (1927) 8 Cylinder car. | 3rd Apr 1928 | West Wittering \ R \ 2December1927-February1928 Scan120 | |
| With almost completely faded text, featuring a purple print room stamp. | 5th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan121 | |
| Performance comparison between a Phantom and a Stutz vehicle, detailing tractive resistance, fuel consumption, and suspension qualities. | 5th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan122 | |
| Continued report page detailing road test comparisons and dynamometer brake horsepower results for a Stutz vehicle. | 13th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan123 | |
| Blueprint graph comparing the B.HP at road wheels of the Phantom and Stutz cars against road speed. | 13th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan124 | |
| Performance comparison between a Stutz car and a Rolls-Royce Phantom, analyzing M.E.P. and displacement. | 20th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan125 | |
| Radiator flow impairment caused by slime and hard water precipitates, detailing a cleaning solution and a change in tube design. | 9th Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan126 | |
| The testing schedule and experimental modifications for the Continental Phantom. | 1st Jan 1928 | West Wittering \ R \ 2December1927-February1928 Scan127 | |
| | | | |
