| Description | Date | Identifier | |
| List of tools and spares for a Rover car. | 23th Aug 1922 | Box 127 \ 3 scan0003 | |
| Despatch note for an 8 HP Rover Car and a box of accessories to The Rover Co. | 23th Aug 1922 | Box 127 \ 3 scan0004 | |
| Telegram asking for clarification if a complete car or only an engine was sent to the Rover works. | 22th Sep 1911 | Box 127 \ 3 scan0005 | |
| From EV to HS regarding an 8 HP Rover engine being sent to the Rover Co. for remarks. | 11th Sep 1922 | Box 127 \ 3 scan0006 | |
| Brief communication in response to a wire, confirming a Rover car and engine were sent to the Rover Co. | 11th Sep 1922 | Box 127 \ 3 scan0007 | |
| Letter regarding the delivery and modification of a 12 HP four-door Sports Saloon. | 19th Dec 1934 | Box 127 \ 3 scan0008 | |
| Letter to Mr. Jackson at The Rover Motor Company concerning car insurance and collection. | 21th Dec 1934 | Box 127 \ 3 scan0009 | |
| Letter to an insurance company requesting a covering note for the purchase of a 12-HP Rover Car. | 21th Dec 1934 | Box 127 \ 3 scan0010 | |
| Visit to Rover Motor Company to discuss their freewheel transmission design. | 11th Jan 1935 | Box 127 \ 3 scan0011 | |
| Various freewheel designs and recommending a Warner type for a two-speed supercharger drive. | 14th Jan 1935 | Box 127 \ 3 scan0012 | |
| Letter to Captain Wilks of The Rover Company complaining about faults on a newly delivered Rover car. | 14th Jan 1935 | Box 127 \ 3 scan0013 | |
| Letter to The Rover Motor Company providing feedback on a car's performance, including rattles, axle noise, and braking. | 2nd Feb 1935 | Box 127 \ 3 scan0014 | |
| Letter discussing the isolation of a gear lever and the progress of a Hayes transmission. | 2nd Feb 1935 | Box 127 \ 3 scan0015 | |
| Letter from The Rover Company to W.A. Robotham concerning car noises, brakes, and transmission performance. | 6th Feb 1935 | Box 127 \ 3 scan0016 | |
| Letter to Captain Wilks of The Rover Company regarding a noise in a car and a proposed visit. | 7th Feb 1935 | Box 127 \ 3 scan0017 | |
| Letter from The Rover Company Ltd. to W.A. Robotham regarding a car noise and a visit to their Body Building Section. | 11th Feb 1935 | Box 127 \ 3 scan0018 | |
| Letter to Captain Wilks of The Rover Company regarding a noise issue with a free wheel. | 14th Feb 1935 | Box 127 \ 3 scan0019 | |
| Letter from The Rover Company Ltd. to W.A. Rowbotham proposing dates for a meeting. | 11th Mar 1935 | Box 127 \ 3 scan0020 | |
| Letter to Captain Wilks of The Rover Company Ltd. arranging a meeting to demonstrate axle noise in a car. | 14th Mar 1935 | Box 127 \ 3 scan0021 | |
| Letter from The Rover Company Ltd. to W.A. Robotham confirming a lunch appointment. | 15th Mar 1935 | Box 127 \ 3 scan0022 | |
| Letter to Captain Wilks of The Rover Co. Ltd. confirming a meeting at the Rover Works. | 26th Mar 1935 | Box 127 \ 3 scan0023 | |
| Letter from The Rover Company Ltd. regarding a freewheel component. | 28th Mar 1935 | Box 127 \ 3 scan0024 | |
| Letter to The Rover Motor Company regarding the provision of tappets, expert visits, and coachwork materials. | 29th Mar 1935 | Box 127 \ 3 scan0025 | |
| Despatch note for 24 Spectre Tappets to be sent to Rover Co., Ltd. for hard chromium plating treatment. | 30th Mar 1935 | Box 127 \ 3 scan0026 | |
| Letter to Rover comparing camshaft toes on Bentley and Cadillac engines. | 30th Mar 1935 | Box 127 \ 3 scan0027 | |
| Graph of valve lift and velocity against camshaft rotation for a standard Bentley camshaft. | 30th Mar 1935 | Box 127 \ 3 scan0028 | |
| Graph of valve lift and velocity against camshaft rotation for a Cadillac V16 engine. | 1st Apr 1935 | Box 127 \ 3 scan0029 | |
| Letter from The Rover Company Ltd. to W.A. Robotham regarding camshaft particulars. | 1st Apr 1935 | Box 127 \ 3 scan0030 | |
| Letter from The Rover Company discussing plating tappets and arranging a viewing of a Cadillac body. | 1st Apr 1935 | Box 127 \ 3 scan0031 | |
| Letter to Captain S.B. Wilks of The Rover Company arranging a viewing of a Cadillac body. | 2nd Apr 1935 | Box 127 \ 3 scan0032 | |
| Visit from Mr. Jackman of the Rover Car Company to view a Cadillac body. | 4th Apr 1935 | Box 127 \ 3 scan0033 | |
| Letter from The Rover Company Ltd. enquiring about the quality and price of Duckham's oils. | 10th Apr 1935 | Box 127 \ 3 scan0034 | |
| Letter to The Rover Company Ltd. regarding test results for Duckham's oil. | 11th Apr 1935 | Box 127 \ 3 scan0035 | |
| Letter to Capt. Wilks of The Rover Company regarding chromium plated tappets and a high speed wobble issue. | 25th Apr 1935 | Box 127 \ 3 scan0036 | |
| Test report on a Rover 14 HP Free Wheel unit, detailing preliminary and endurance testing. | 25th Apr 1935 | Box 127 \ 3 scan0037 | |
| Temperature and speed test of a unit, noting performance up to 2440 r.p.m., oil used, and leakage. | 25th Apr 1935 | Box 127 \ 3 scan0038 | |
| Graph charting temperature against time and RPM for a Rover 14 HP Free Wheel. | 11th Apr 1935 | Box 127 \ 3 scan0039 | |
| Blueprint for a Rover Freewheel Arrangement with cross-sections and dimensions. | 26th Apr 1935 | Box 127 \ 3 scan0040 | |
| Letter from The Rover Company Ltd. regarding the finishing of tappets and a steering issue. | 26th Apr 1935 | Box 127 \ 3 scan0041 | |
| Letter from The Rover Company Ltd regarding the dispatch of eleven chromium-plated tappets. | 27th Apr 1935 | Box 127 \ 3 scan0042 | |
| Letter from The Rover Company Ltd. regarding a mistaken invoice for a freewheel. | 30th Apr 1935 | Box 127 \ 3 scan0043 | |
| Letter to Capt. S.B. Wilks of The Rover Company Limited regarding the offer of a free wheel. | 1st May 1935 | Box 127 \ 3 scan0044 | |
| Letter from The Rover Company Ltd. regarding a report on chrome plated tappets. | 1st May 1935 | Box 127 \ 3 scan0045 | |
| The chrome plating of tappets. | 1st May 1935 | Box 127 \ 3 scan0046 | |
| Letter to Captain S.B. Wilks of The Rover Company Ltd. regarding tested chromium plated tappets. | 23th May 1935 | Box 127 \ 3 scan0047 | |
| Request to despatch Chromium Plated Tappets to the Rover Company for inspection. | 23th May 1935 | Box 127 \ 3 scan0048 | |
| Letter to Rover Motor Company discussing chromium-plated tappets, standardising a Bentley bumper bar, and feedback on a Rover car. | 28th May 1935 | Box 127 \ 3 scan0049 | |
| Letter from The Rover Company to W.A. Robotham discussing tappet chromium plating, stabiliser bumper pricing, and steering. | 29th May 1935 | Box 127 \ 3 scan0050 | |
| Letter regarding arranging for a Service Representative to call and provide a report on a car. | 29th May 1935 | Box 127 \ 3 scan0051 | |
| Request from The Rover Company for the chromium plating of Spectre tappets. | 31th May 1935 | Box 127 \ 3 scan0052 | |
| Letter to Captain S.B. Wilks of Rover regarding tappets and rubber clutch centres. | 31th May 1935 | Box 127 \ 3 scan0053 | |
| Letter from The Rover Company to W.A. Robotham discussing the colour finish for a reserved 1936 14 HP Saloon. | 17th Jun 1935 | Box 127 \ 3 scan0054 | |
| Letter from The Rover Company Ltd. discussing patented body designs and material issues with Bijur equipment pipes. | 27th Jun 1935 | Box 127 \ 3 scan0055 | |
| Technical letter detailing the development and specifications for brass tubing used in lubrication systems. | 1st Jul 1935 | Box 127 \ 3 scan0056 | |
| The Mercuric Chloride test requirements for special brass lubrication tubes. | 3rd Jul 1935 | Box 127 \ 3 scan0057 | |
| Letter to Capt. S.B. Wilks of The Rover Company Ltd. regarding a Bijur tube and car specifications. | 3rd Jul 1935 | Box 127 \ 3 scan0058 | |
| Request to despatch a sample piece of Brass Tube from the Bijur Lubrication System to The Rover Company Ltd. | 3rd Jul 1935 | Box 127 \ 3 scan0059 | |
| Letter from The Rover Company regarding a car delivery and information about the Bijur Tube. | 4th Jul 1935 | Box 127 \ 3 scan0060 | |
| Letter from The Rover Company Ltd. regarding a patented front shock absorber arrangement and potential work from their aircraft department. | 8th Jul 1935 | Box 127 \ 3 scan0061 | |
| Letter to The Rover Company Ltd. regarding a triangular arm design, patent licensing, and aircraft work. | 9th Jul 1935 | Box 127 \ 3 scan0062 | |
| Cover note for correspondence received from the Rover Company and the subsequent reply. | 9th Jul 1935 | Box 127 \ 3 scan0063 | |
| Correspondence with the Rover Company regarding a potential manufacturing license agreement. | 9th Jul 1935 | Box 127 \ 3 scan0064 | |
| Letter from The Rover Company regarding the development and delivery of chromium plated tappets. | 15th Jul 1935 | Box 127 \ 3 scan0065 | |
| Letter from The Rover Company confirming a 14 HP Saloon car is ready for delivery. | 16th Jul 1935 | Box 127 \ 3 scan0066 | |
| Letter to Capt. Wilks of The Rover Company regarding a proposal for the sale of Rover cars in France. | 9th Sep 1935 | Box 127 \ 3 scan0067 | |
| Letter from The Rover Company regarding a report on the new Phantom's crankshaft balance. | 8th Oct 1935 | Box 127 \ 3 scan0068 | |
| Letter to Rover discussing engine mountings, aircraft sub-contracting, and exhaust valve issues. | 9th Oct 1935 | Box 127 \ 3 scan0069 | |
| Letter from The Rover Company Ltd. regarding potential aircraft work, TEL valve troubles, and a squash match invitation. | 14th Oct 1935 | Box 127 \ 3 scan0070 | |
| Chromium plating of cylinder blocks, referencing work done by the Rover Co. | 4th Nov 1935 | Box 127 \ 3 scan0071 | |
| Query from Rover, Coventry regarding the thickness of chromium plate applied to cylinder bores. | 5th Nov 1935 | Box 127 \ 3 scan0072 | |
| Letter to Captain Wilks of The Rover Co. Ltd. discussing frame stiffness figures, referencing a Cadillac V-16, and a staff share scheme. | 6th Nov 1935 | Box 127 \ 3 scan0073 | |
| Letter from The Rover Company Ltd regarding an invoice and work done on Mrs. Robotham's car, specifically changing the cylinder head to fix noisy tappets. | 18th Nov 1935 | Box 127 \ 3 scan0074 | |
| Letter to the Rover Company Ltd. providing feedback on recent car service and questioning petrol consumption. | 29th Nov 1935 | Box 127 \ 3 scan0075 | |
| Letter from The Rover Company Ltd discussing the petrol consumption of a 12 HP car. | 2nd Dec 1935 | Box 127 \ 3 scan0076 | |
| Letter to M. Wilks of The Rover Motor Co. Ltd. regarding a spare cylinder block for plating and an extended test. | 6th Dec 1935 | Box 127 \ 3 scan0077 | |
| Letter from The Rover Company discussing the plating of a cylinder block and supply of tappets. | 9th Dec 1935 | Box 127 \ 3 scan0078 | |
| Letter to Mr. Wilks of The Rover Company Ltd regarding a cylinder block's chromium plating and bore size. | 10th Dec 1935 | Box 127 \ 3 scan0079 | |
| Letter from The Rover Company apologising for delays on a cylinder block and tappets. | 18th Dec 1935 | Box 127 \ 3 scan0080 | |
| Short letter to Capt. Wilks at The Rover Company Ltd. regarding a request for a block to be made .001 inch undersize. | 19th Dec 1935 | Box 127 \ 3 scan0081 | |
| Cover note sent with a car to The Rover Motor Co. Ltd. regarding its sub-standard performance. | 4th Jan 1936 | Box 127 \ 3 scan0082 | |
| Letter from The Rover Company Ltd reminding of an unpaid invoice No. 3834. | 11th Feb 1936 | Box 127 \ 3 scan0083 | |
| Letter to The Rover Company Ltd. clarifying an invoice for a car, stating it belongs to a relation, not the writer's wife. | 21th Feb 1936 | Box 127 \ 3 scan0084 | |
| Letter from The Rover Company Ltd regarding a misdirected invoice for a car. | 24th Feb 1936 | Box 127 \ 3 scan0085 | |
| Letter from The Rover Company regarding issues with Oilite Bushes on their 1935 models and their replacement with bronze bushes. | 24th Feb 1936 | Box 127 \ 3 scan0086 | |
| Letter from The Rover Company Ltd. regarding a proposed squash match and an ankle injury. | 6th Mar 1936 | Box 127 \ 3 scan0087 | |
| Letter to Capt. S.B. Wilks of Rover regarding a squash match, a car trial, and chromium plating. | 7th Mar 1936 | Box 127 \ 3 scan0088 | |
| Letter to Capt. Wilks of The Rover Company Ltd. regarding car service, purchasing Rovers, tyre noise issues, and an S.S. Jaguar engine. | 17th Apr 1936 | Box 127 \ 3 scan0089 | |
| Letter from The Rover Company Ltd. discussing car production, tyre noise, and the upcoming 20-HP model. | 18th Apr 1936 | Box 127 \ 3 scan0090 | |
| Page 2 of a letter to W.A. Robotham regarding the S.S. Jaguar and contact details for W. Lyons. | 18th Apr 1936 | Box 127 \ 3 scan0091 | |
| Letter to Captain Wilks of The Rover Motor Company regarding Grylls and the S.S. Jaguar. | 5th May 1936 | Box 127 \ 3 scan0092 | |
| Letter to Captain Wilks of Rover regarding oil consumption, piston rings, and the market for English cars in Spain. | 26th May 1936 | Box 127 \ 3 scan0093 | |
| Page 2 of a letter offering material to assist with bearing trouble due to high oil temperatures. | 26th May 1936 | Box 127 \ 3 scan0094 | |
| Index card detailing the owner and chassis number for a Rover Car. | 27th May 1936 | Box 127 \ 3 scan0095 | |
| Letter from The Rover Company Ltd. regarding a Rover owner's oil consumption issue in Spain and production delays for 16-HP and 20-HP models. | 27th May 1936 | Box 127 \ 3 scan0096 | |
| Letter to Captain Wilks of The Rover Company providing contact details for an agent in Madrid to trace a car owner. | 28th May 1936 | Box 127 \ 3 scan0097 | |
| Letter from The Rover Company Ltd to Mr. Robotham at Rolls Royce regarding the Service Station in Madrid. | 29th May 1936 | Box 127 \ 3 scan0098 | |
| Letter to the Service Manager of The Rover Company Ltd regarding a copy of a letter sent to Captain Wilks. | 30th May 1936 | Box 127 \ 3 scan0099 | |
| Letter from The Rover Company Ltd. enquiring about the performance of a Chromium Plated Cylinder Block. | 13th Jun 1936 | Box 127 \ 3 scan0100 | |
| Letter to Rover Motor Co. Ltd. regarding experiments and information on chromium-plated cylinder blocks. | 15th Jun 1936 | Box 127 \ 3 scan0101 | |
| Inter-office memo discussing engine oil control, piston and ring wear, and test results from various cars. | 19th Jun 1936 | Box 127 \ 3 scan0102 | |
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