| Description | Date | Identifier | |
| Comparison of the overall torsional strength of the S.S. Jaguar with the Phantom and Wraith models. | 11th Apr 1938 | Box 126 \ 5 scan0051 | |
| Exhaust manifold design of a Jaguar car and its potential performance implications. | 13th Apr 1938 | Box 126 \ 5 scan0052 | |
| Letter to S.S. Cars Ltd. enclosing a guarantee for an S.S. Jaguar car. | 22th Apr 1938 | Box 126 \ 5 scan0053 | |
| Trial of a Jaguar exhaust system for the B.III model and the fitting of Duplex silencers. | 23th Apr 1938 | Box 126 \ 5 scan0054 | |
| Requesting the removal and stripping of a Jaguar engine and gearbox for examination. | 11th May 1938 | Box 126 \ 5 scan0055 | |
| Specification for the weight of an S.S. Jaguar chassis. | 12th May 1938 | Box 126 \ 5 scan0056 | |
| Examination of a stripped Jaguar car to create drawings of its parts. | 13th May 1938 | Box 126 \ 5 scan0057 | |
| Covering note for a 3½ litre Jaguar exhaust system. | 21th May 1938 | Box 126 \ 5 scan0058 | |
| Request for drawings of specific components for a Jaguar car, covering the suspension, cooling system, and engine. | 28th May 1938 | Box 126 \ 5 scan0059 | |
| List of technical points concerning crankcase sealing, combustion chamber, petrol system, and gearbox arrangement. | 28th May 1938 | Box 126 \ 5 scan0060 | |
| On the torsional strength and weight comparison of a Jaguar frame with a box section frame. | 2nd Jun 1938 | Box 126 \ 5 scan0061 | |
| Comparison of torsional strength and weight between S.S. Jaguar and Bentley III frames. | 2nd Jun 1938 | Box 126 \ 5 scan0062 | |
| Photograph of a bare chassis frame standing vertically in an inspection area. | 2nd Jun 1938 | Box 126 \ 5 scan0063 | |
| Graph showing the twist of an S.S. Jaguar frame due to an applied torque of 500 lbs. ft. | 9th Jun 1938 | Box 126 \ 5 scan0064 | |
| Weight analysis of an S.S. Jaguar body and its components. | 9th Jun 1938 | Box 126 \ 5 scan0065 | |
| Weight breakdown of S.S. Jaguar engine components. | 10th Jun 1938 | Box 126 \ 5 scan0066 | |
| Analysis of a disassembled 3.5-litre Jaguar and the intention to rebuild it. | 12th Jul 1938 | Box 126 \ 5 scan0067 | |
| Questioning the extended holding period of a 3.5-litre Jaguar and requesting a status report. | 12th Jul 1938 | Box 126 \ 5 scan0068 | |
| The teardown and analysis of a 3.5-litre Jaguar car. | 12th Jul 1938 | Box 126 \ 5 scan0069 | |
| Requesting the return of a Jaguar rev counter for overhaul. | 12th Aug 1938 | Box 126 \ 5 scan0070 | |
| Request to place an official order for Jaguar spare parts from Messrs. Sanderson & Holmes. | 16th Aug 1938 | Box 126 \ 5 scan0071 | |
| Internal request to issue an official order for a Jaguar exhaust pipe bracket. | 24th Aug 1938 | Box 126 \ 5 scan0072 | |
| Requesting an update on when experiments on an Oldsmobile and a Jaguar will be completed. | 25th Aug 1938 | Box 126 \ 5 scan0073 | |
| Sending an Oldsmobile for sale and the status of a Jaguar being re-built. | 27th Aug 1938 | Box 126 \ 5 scan0074 | |
| The transfer of an Oldsmobile and a Jaguar, with a handwritten note on selling the Jaguar. | 29th Aug 1938 | Box 126 \ 5 scan0075 | |
| Comparing the weights of various components between a Bentley 4¼-Litre and an S.S. 3½-Litre car. | 30th Aug 1938 | Box 126 \ 5 scan0076 | |
| Comparative weight analysis of S.S. and Bentley vehicle components. | 30th Aug 1938 | Box 126 \ 5 scan0077 | |
| Weight comparison of brake drums, engine, and clutch components between S.S. and Bentley vehicles. | 30th Aug 1938 | Box 126 \ 5 scan0078 | |
| Weight comparison document between S.S. and Bentley vehicle components. | 30th Aug 1938 | Box 126 \ 5 scan0079 | |
| Weight comparison of chassis components, electrical systems, radiator, and accessories between an S.S. and a Bentley vehicle. | 30th Aug 1938 | Box 126 \ 5 scan0080 | |
| Breakdown of weights for chassis lubrication, control piping, and the complete weights of S.S. and Bentley cars. | 30th Aug 1938 | Box 126 \ 5 scan0081 | |
| Request for an order number to cover the expenses of a Jaguar car to be used for Engineering Buying. | 13th Sep 1938 | Box 126 \ 5 scan0082 | |
| A Jaguar car being re-purposed for Engineering Buying instead of being sold. | 13th Sep 1938 | Box 126 \ 5 scan0083 | |
| Arrangement concerning the retention and use of a Jaguar car, including the tracking of expenses and mileage. | 29th Aug 1938 | Box 126 \ 5 scan0084 | |
| Cost analysis of a Jaguar car to investigate its value and low cost compared to Rolls-Royce's own B.50 chassis. | 15th Sep 1938 | Box 126 \ 5 scan0085 | |
| Cost and design analysis comparing the B.50 and S.S. models, with references to Jaguar. | 15th Sep 1938 | Box 126 \ 5 scan0086 | |
| Analysis and comparison of a Jaguar car, focusing on manufacturing cost, body, and weight against a Bentley. | 15th Sep 1938 | Box 126 \ 5 scan0087 | |
| Technical comparison between Jaguar and Bentley components, including exhaust, frame, and engine performance. | 15th Sep 1938 | Box 126 \ 5 scan0088 | |
| Summary concluding that a study should be undertaken on how a competitor makes their car body for the price. | 15th Sep 1938 | Box 126 \ 5 scan0089 | |
| Table comparing the weight differences and subsequent advantages of a 4¼-Litre Bentley over a Jaguar. | 16th Sep 1938 | Box 126 \ 5 scan0090 | |
| Allocation of running expenses and maintenance costs for a Jaguar car. | 16th Sep 1938 | Box 126 \ 5 scan0091 | |
| Arrangement to examine a Jaguar car body to investigate its low production cost. | 19th Sep 1938 | Box 126 \ 5 scan0092 | |
| Letter to Park Ward & Co. Ltd. regarding the weight analysis of a Jaguar body. | 22th Sep 1938 | Box 126 \ 5 scan0093 | |
| Use and transfer of a Jaguar car for an Air Ministry Official. | 29th Sep 1938 | Box 126 \ 5 scan0094 | |
| Performance test results for an S.S. Jaguar at Brooklands Track. | 14th Oct 1938 | Box 126 \ 5 scan0095 | |
| Comparing the coachwork weight of an S.S. Car against a Bentley, based on a photo analysis report. | 22th Oct 1938 | Box 126 \ 5 scan0096 | |
| Comparing the body shell weights of S.S., Park Wards, and Jaguar cars. | 28th Oct 1938 | Box 126 \ 5 scan0097 | |
| Letter to S.S. Cars Ltd. regarding the return of a 3.5 Litre Jaguar with notes on its engine and gearbox. | 5th Dec 1938 | Box 126 \ 5 scan0098 | |
| Letter from SS Cars Limited acknowledging instructions for the return of a 3½ litre Jaguar. | 7th Dec 1938 | Box 126 \ 5 scan0099 | |
| Cover memo for particulars relating to Jaguar. | 21th Dec 1938 | Box 126 \ 5 scan0100 | |
| Record of troubles and repairs encountered on a 3 1/2 litre Jaguar vehicle at various mileages. | 21th Dec 1938 | Box 126 \ 5 scan0101 | |
| Letter from the Experimental Department to S.S. Cars Ltd. requesting the return of an air silencer and bends for a 3.5 litre Jaguar. | 11th Feb 1939 | Box 126 \ 5 scan0102 | |
| Letter from SS Cars Limited confirming the dispatch of a pair of air cleaners and manifold for car number 3D163. | 13th Feb 1939 | Box 126 \ 5 scan0103 | |
| Letter from SS Cars Ltd justifying a charge for a new engine fitted to an out-of-guarantee car. | 1st Apr 1939 | Box 126 \ 5 scan0104 | |
| Letter to Messrs. Sanderson & Holmes regarding a complaint about the attitude and repair time from SS Cars concerning an exhaust valve failure. | 14th Apr 1939 | Box 126 \ 5 scan0105 | |
| Running-in, testing, and subsequent mechanical failures of a 3.5 Litre Jaguar. | 19th Apr 1939 | Box 126 \ 5 scan0106 | |
| Report detailing a list of vehicle failures and a comparison with an Oldsmobile test car. | 19th Apr 1939 | Box 126 \ 5 scan0107 | |
| Vehicle maintenance and condition after 15,000 miles. | 20th Apr 1939 | Box 126 \ 5 scan0108 | |
| Letter discussing the performance testing of an S.S. Jaguar car and a subsequent failure. | 20th Apr 1939 | Box 126 \ 5 scan0109 | |
| Letter to Messrs. Sanderson & Holmes, Ltd. regarding the testing of inexpensive cars. | 20th Apr 1939 | Box 126 \ 5 scan0110 | |
| Letter from Sanderson & Holmes Ltd. regarding a previous communication and requesting the return of an omitted letter. | 21th Apr 1939 | Box 126 \ 5 scan0111 | |
| Letter from motor engineers Sanderson & Holmes Ltd. enclosing correspondence from S. S. Co. Ltd. and their reply. | 25th Apr 1939 | Box 126 \ 5 scan0112 | |
| Copy of a letter sent to W. Lyons of S.S. Cars Ltd. agreeing to direct communication to save time. | 25th Apr 1939 | Box 126 \ 5 scan0113 | |
| Letter from the Managing Director's office of SS Cars discussing engine testing and a potential claim regarding a Bentley engine. | 24th Apr 1939 | Box 126 \ 5 scan0114 | |
| Letter from the Managing Director's office to E.J.W. Morley regarding direct communication. | 24th Apr 1939 | Box 126 \ 5 scan0115 | |
| Letter to W. Lyons of S.S. Cars Ltd. concerning a disagreement over a replacement part and discussing guarantee policies. | 26th Apr 1939 | Box 126 \ 5 scan0116 | |
| Autocar magazine road test and performance data sheet for a 25 HP 3 1/2-Litre S.S. Jaguar Saloon. | 28th Apr 1939 | Box 126 \ 5 scan0117 | |
| Road test report from 'The Autocar' magazine for an S.S. car, including performance analysis, diagrams, and photos. | 28th Apr 1939 | Box 126 \ 5 scan0118 | |
| Letter from SS Cars Ltd. acknowledging receipt of a letter from W.A. Robotham. | 29th Apr 1939 | Box 126 \ 5 scan0119 | |
| Letter from S.S. Cars Ltd. to W.A. Robotham concerning charges for replacements due to an engine failure during testing. | 3rd May 1939 | Box 126 \ 5 scan0120 | |
| Letter concerning a report on a valve failure and driver responsibility. | 3rd May 1939 | Box 126 \ 5 scan0121 | |
| The performance testing of an S.S. Jaguar at Brooklands. | 9th May 1939 | Box 126 \ 5 scan0122 | |
| Magazine article page reviewing an SS car's performance over 20,000 miles and featuring prize winners from Brighton. | 9th May 1939 | Box 126 \ 5 scan0123 | |
| 20,000-mile review of an SS Jaguar 3.5-litre saloon, detailing its performance and reliability during intensive motoring at home and abroad. | 9th May 1939 | Box 126 \ 5 scan0124 | |
| Letter to W. Lyons of S.S. Cars Ltd. regarding a dispute over a 'Jaguar' and offering a credit note. | 11th May 1939 | Box 126 \ 5 scan0125 | |
| Letter from the Managing Director of SS Cars concerning goodwill and passing credit on a negligible amount. | 18th May 1939 | Box 126 \ 5 scan0126 | |
| Query regarding an outstanding £40 invoice from S.S. Cars Ltd. for a complete engine overhaul on a 3½ litre Jaguar. | 27th May 1939 | Box 126 \ 5 scan0127 | |
| Agreement to pay an invoice from S.S. Cars Ltd. for a 3½-litre Jaguar. | 1st Jun 1939 | Box 126 \ 5 scan0128 | |
| Page from 'The Motor' magazine featuring a custom SS Jaguar touring limousine and automotive industry news. | 4th Jul 1939 | Box 126 \ 5 scan0129 | |
| Page from 'The Motor' magazine featuring various news articles and updates from the motoring world. | 4th Jul 1939 | Box 126 \ 5 scan0130 | |
| Request to evaluate an S.S. (Jaguar) adjustable seat by fitting one to a test vehicle. | 12th Dec 1940 | Box 126 \ 5 scan0131 | |
| Cover letter for particulars and sketches concerning the chassis of a 3 1/2 Litre S.S. Jaguar. | 2nd Sep 1938 | Box 126 \ 5 scan0132 | |
| Engine specifications and layout for the 1938 3½ Litre S.S. Jaguar. | 31th Aug 1938 | Box 126 \ 5 scan0133 | |
| Drawing of a 3 1/2 Litre S.S. front engine support and a dynamo carrier plate. | 31th Aug 1938 | Box 126 \ 5 scan0134 | |
| Drawing of a 3 1/2 Litre S.S. Crankcase Rear Oil Seal Cover. | 31th Aug 1938 | Box 126 \ 5 scan0135 | |
| Plan view drawing of the 3 1/2 Litre S.S. cylinder block. | 31th Aug 1938 | Box 126 \ 5 scan0136 | |
| Engineering drawing of a Sump and Cylinder Head for a 3 1/2 Litre S.S. engine. | 8th Mar 1938 | Box 126 \ 5 scan0137 | |
| Specification sheet for engine and transmission components, detailing the clutch casing, crankshaft, flywheel, starter motor, and bearings. | 8th Mar 1938 | Box 126 \ 5 scan0138 | |
| Cross-sectional drawing and specifications for a 3 1/2 Litre S.S. Flywheel. | 8th Mar 1938 | Box 126 \ 5 scan0139 | |
| Specifications for engine components including bearings, connecting rods, pistons, and camshafts. | 8th Mar 1938 | Box 126 \ 5 scan0140 | |
| Drawing of a 3 1/2 litre S.S. camshaft with detailed dimensions. | 8th Mar 1938 | Box 126 \ 5 scan0141 | |
| Technical drawing of a 3 1/2 Litre S.S. Cylinder Block with 5 cores. | 8th Mar 1938 | Box 126 \ 5 scan0142 | |
| Technical drawing of a 3 1/2 Litre SS cylinder block. | 8th Mar 1938 | Box 126 \ 5 scan0143 | |
| Specifications for engine components including cams, valves, and valve springs. | 8th Mar 1938 | Box 126 \ 5 scan0144 | |
| Drawings for a 3 1/2 Litre S.S. front engine rubber support and a camshaft sprocket cover. | 8th Mar 1938 | Box 126 \ 5 scan0145 | |
| Drawing of a 3 1/2 Litre S.S. Inlet Valve and associated components. | 8th Mar 1938 | Box 126 \ 5 scan0146 | |
| Specifications for the oil pump, radiator, fan, water pump, and lubrication system. | 8th Mar 1938 | Box 126 \ 5 scan0147 | |
| Drawing of a fan with dimensions for a 3 1/2 Litre S.S. vehicle. | 8th Mar 1938 | Box 126 \ 5 scan0148 | |
| Drawing of a 3 1/2 Litre S.S. water pump impellor. | 8th Mar 1938 | Box 126 \ 5 scan0149 | |
| Diagram showing the assembly of a water pump impellor spindle for a 3 1/2 litre S.S. engine. | 8th Mar 1938 | Box 126 \ 5 scan0150 | |
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