| Description | Date | Identifier | |
| Letter from S. Smith & Sons regarding modified A.T. instruments and sending a sample of a standard Pointer type magnetic Smith's Speedometer. | 28th Jun 1933 | Box 62 \ 2 scan0217 | |
| Calibration of Bensport instruments and the use of Phosphor Bronze for securing plates. | 29th Jun 1933 | Box 62 \ 2 scan0218 | |
| Instructions for the repair and modification of instruments from car 2.B.IV following an accident. | 12th Jul 1933 | Box 62 \ 2 scan0219 | |
| Letter from S. Smith & Sons regarding the postponement of a representative's visit to align with another meeting for a technical discussion. | 15th Jul 1933 | Box 62 \ 2 scan0220 | |
| Letter from S. Smith & Sons (Motor Accessories) Ltd regarding representatives visiting to discuss a new magnetic speedometer. | 17th Jul 1933 | Box 62 \ 2 scan0221 | |
| Continuation page of a letter from S. Smith & Sons (Motor Accessories) Ltd. | 19th Jul 1933 | Box 62 \ 2 scan0222 | |
| Letter from a supplier discussing the cobalt percentage in speedometer magnets and the development of self-winding clocks. | 26th Jul 1933 | Box 62 \ 2 scan0223 | |
| Continuation of a letter from S. Smith & Sons regarding the development of a small clock. | 27th Jul 1933 | Box 62 \ 2 scan0224 | |
| Letter from S. Smith & Sons regarding a Nemag instrument sample, petrol gauges, an electric clock, and K.L.G. plug screens. | 27th Jul 1933 | Box 62 \ 2 scan0225 | |
| Letter from a supplier, S. Smith & Sons, discussing issues with an electric clock, ammeter dials, and other instruments. | 27th Jul 1933 | Box 62 \ 2 scan0226 | |
| Faults found in two petrol gauge meters, P.811 and P.751. | 14th Jul 1933 | Box 62 \ 2 scan0227 | |
| Electrical system and instrument patch modifications for Bensport Chassis No.2.B.IV. | 27th Jul 1933 | Box 62 \ 2 scan0228 | |
| Requesting a progress report regarding Bensport Instruments. | 27th Jul 1933 | Box 62 \ 2 scan0229 | |
| The submission of two lighter and cheaper Smith instruments as an alternative to the A.T. for chassis testing. | 27th Jul 1933 | Box 62 \ 2 scan0230 | |
| Comparative testing of instruments from Watford, Smith, and A.T.Co. | 28th Jul 1933 | Box 62 \ 2 scan0231 | |
| Request to the Mailing Department to post a loaned catalogue to Messrs. S. Smith & Sons Ltd. | 1st Aug 1933 | Box 62 \ 2 scan0232 | |
| Letter from S. Smith & Sons apologising for a delay in response and confirming a catalogue is being sent. | 24th Aug 1933 | Box 62 \ 2 scan0233 | |
| Points related to Bentley Chassis electrical equipment. | 25th Aug 1933 | Box 62 \ 2 scan0234 | |
| Wiring instructions for coachbuilders regarding body-to-chassis connections, lighting, and indicators. | 25th Aug 1933 | Box 62 \ 2 scan0235 | |
| Report or meeting minutes discussing modifications to horns and tail lamps for a number of vehicles. | 29th Aug 1935 | Box 62 \ 2 scan0236 | |
| Design of grilled fronts for horns on a Bentley chassis. | 29th Aug 1935 | Box 62 \ 2 scan0237 | |
| Sending two Bentley A.T. Speedometers and one A.T. rev clock into the Stores. | 6th Sep 1933 | Box 62 \ 2 scan0238 | |
| Faulty Bentley instruments being sent to the makers for repair and modification. | 28th Sep 1933 | Box 62 \ 2 scan0239 | |
| Request from Messrs. Smith & Sons to loan instrument patches for an exhibition at Olympia. | 6th Oct 1933 | Box 62 \ 2 scan0240 | |
| Letter to S. Smith & Sons Ltd. regarding the loan of an instrument patch for exhibition at Olympia. | 6th Oct 1933 | Box 62 \ 2 scan0241 | |
| The loan of a 20/25 instrument patch to S. Smith & Sons for exhibition at the Olympia Show. | 10th Oct 1933 | Box 62 \ 2 scan0242 | |
| Letter arranging for a 20/25 HP instrument patch to be loaned for an exhibition and urging the recipient to press for the production of new instruments. | 10th Oct 1933 | Box 62 \ 2 scan0243 | |
| Letter from S. Smith & Sons regarding a 20/25 HP Instrument Patch and progress on a new instrument. | 11th Oct 1933 | Box 62 \ 2 scan0244 | |
| Letter from S. Smith & Sons regarding a telephone conversation and the loan of a 20-25 Rolls Patch. | 11th Oct 1933 | Box 62 \ 2 scan0245 | |
| Letter from S. Smith & Sons regarding the return of an instrument panel borrowed for the Olympia Show. | 24th Oct 1933 | Box 62 \ 2 scan0246 | |
| Letter to Mr. G. Manwaring requesting a meeting to discuss the testing of two Smith Nemag instruments. | 25th Oct 1933 | Box 62 \ 2 scan0247 | |
| Letter on Chace Hotel letterhead to Mr Hives of Rolls Royce, rescheduling a meeting. | 26th Oct 1933 | Box 62 \ 2 scan0248 | |
| Secret memo regarding the sourcing and supply of instrument panels and components for the 'Vulture' project car. | 12th Dec 1933 | Box 62 \ 2 scan0249 | |
| Request to dispatch a set of Bentley instrument board parts to Park Ward & Co. | 15th Dec 1933 | Box 62 \ 2 scan0250 | |
| Requesting the dispatch of special experimental Bentley instruments to the Sales Department. | 22th Dec 1933 | Box 62 \ 2 scan0251 | |
| New lightened type instruments for a Bentley chassis, specifically the placement of the speedometer trip setting mechanism. | 23th Dec 1933 | Box 62 \ 2 scan0252 | |
| Letter to Mr. Nichols of Messrs. S. Smith & Sons Ltd. arranging a meeting to discuss instruments. | 9th Jan 1934 | Box 62 \ 2 scan0253 | |
| Confirming an accepted offer for a chassis delivery to C.W. Nichols of Smith & Sons. | 20th Jan 1934 | Box 62 \ 2 scan0254 | |
| Urgent instruction to fit a Bentley instrument patch to chassis 3.B.IV for testing with new lightened instruments. | 25th Jan 1934 | Box 62 \ 2 scan0255 | |
| Unsatisfactory dashboard instrument illumination and comparing it with Terraplane and Essex models. | 30th Jan 1934 | Box 62 \ 2 scan0256 | |
| Suggestion to improve instrument panel illumination for the 20/25 and 40/50 models. | 1st Jan 1934 | Box 62 \ 2 scan0257 | |
| Improvements to the instrument board illumination for 20/25 and 40/50 chassis. | 31th Jan 1934 | Box 62 \ 2 scan0258 | |
| Letter to S. Smith & Sons arranging a meeting to discuss new ideas on instrument illumination and improvements for plug screening caps. | 1st Feb 1934 | Box 62 \ 2 scan0259 | |
| Letter from S. Smith & Sons regarding a meeting to discuss instrument schemes and illumination. | 2nd Feb 1934 | Box 62 \ 2 scan0260 | |
| Typed letter to Messrs. S. Smith & Sons Ltd. arranging a visit to London. | 3rd Feb 1934 | Box 62 \ 2 scan0261 | |
| Visit to Messrs. Smiths to inspect new ideas for instrument board illumination using translucent dials. | 8th Feb 1934 | Box 62 \ 2 scan0262 | |
| Instrument illumination and an opportunity to see a new combined instrument fitted to a Terraplane. | 9th Feb 1934 | Box 62 \ 2 scan0263 | |
| Loaned instruments for experiments on instrument illumination to be returned to Messrs. Smiths. | 12th Feb 1934 | Box 62 \ 2 scan0264 | |
| Invoice from S. Smith & Sons for two instrument panels taken by Mr. West. | 21th Feb 1934 | Box 62 \ 2 scan0265 | |
| Poor finish of the instrument board on the Experimental Streamlined Bentley and seeking improvement suggestions. | 23th Feb 1934 | Box 62 \ 2 scan0266 | |
| Instrument board illumination and the development of combined instruments for Bentley with Messrs. Smiths. | 28th Feb 1934 | Box 62 \ 2 scan0267 | |
| Proposed modified instrument schemes and layouts for Rolls Royce and Bentley chassis. | 9th Mar 1934 | Box 62 \ 2 scan0268 | |
| Layout and design of the instrument board from the driver's perspective. | 9th Mar 1934 | Box 62 \ 2 scan0269 | |
| Instrument panel layout and sourcing new instruments for RR and Bentley models. | 4th Mar 1954 | Box 62 \ 2 scan0270 | |
| Letter to S. Smith & Sons Ltd. enquiring about progress on experimental instruments for Bentley chassis. | 15th Mar 1934 | Box 62 \ 2 scan0271 | |
| Continued use of Calorstats from supplier S. Smith & Sons over a cheaper alternative. | 20th Mar 1934 | Box 62 \ 2 scan0272 | |
| Letter to S. Smith & Sons Ltd requesting a progress update and a sample of an electrical rev counter for testing. | 19th Apr 1934 | Box 62 \ 2 scan0273 | |
| Letter discussing schemes to improve the illumination for Rolls-Royce and Bentley instruments. | 20th Apr 1934 | Box 62 \ 2 scan0274 | |
| Letter from S. Smith & Sons regarding the development status of an Electrical Rev Indicator. | 20th Apr 1934 | Box 62 \ 2 scan0275 | |
| Instrument illumination schemes for Bentley and R.R. chassis. | 21th Apr 1934 | Box 62 \ 2 scan0276 | |
| The standardisation to all-wooden instrument boards due to the expense of the alternative chromium-plated flanges. | 25th Apr 1934 | Box 62 \ 2 scan0277 | |
| Standardising wooden instrument boards and requesting blueprints. | 26th Apr 1934 | Box 62 \ 2 scan0278 | |
| Clarifying the design and supply of instrument boards for various chassis models. | 27th Apr 1934 | Box 62 \ 2 scan0279 | |
| Letter to a customer discussing potential interference with a Philco Wireless set and ignition trouble from suppressors. | 10th May 1934 | Box 62 \ 2 scan0280 | |
| Letter to S. Smiths & Sons Ltd regarding a delay in new schemes for instruments. | 11th May 1934 | Box 62 \ 2 scan0281 | |
| Letter from S. Smith & Sons regarding a new Bentley and the performance of a wireless set. | 11th May 1934 | Box 62 \ 2 scan0282 | |
| Letter from S. Smith & Sons regarding the urgent delivery of new instruments. | 12th May 1934 | Box 62 \ 2 scan0283 | |
| Requesting a progress update on grouped instrument proposals discussed with Smith's for Bentley and RR cars. | 17th May 1934 | Box 62 \ 2 scan0284 | |
| Proposals for grouped instruments with Messrs. Smiths. | 18th May 1934 | Box 62 \ 2 scan0285 | |
| The illumination of instruments on Bentley and R-R chassis. | 24th May 1934 | Box 62 \ 2 scan0286 | |
| Illumination of instruments for Bentley and R.R. chassis. | 25th May 1934 | Box 62 \ 2 scan0287 | |
| Letter to Mr. Manwaring regarding a dummy layout scheme and expressing disappointment over delays with instruments. | 6th Jun 1934 | Box 62 \ 2 scan0288 | |
| Letter from S. Smith & Sons (Motor Accessories) Ltd proposing a works visit. | 12th Jun 1934 | Box 62 \ 2 scan0289 | |
| Letter of complaint to S. Smith & Sons Ltd. regarding the failure rate of their instruments. | 15th Jun 1934 | Box 62 \ 2 scan0290 | |
| Letter addressing a serious quantity of rejected instruments and requesting a review for improvement. | 16th Jun 1934 | Box 62 \ 2 scan0291 | |
| Letter from S. Smith & Sons acknowledging receipt of a letter regarding service items and assuring an investigation. | 16th Jun 1934 | Box 62 \ 2 scan0292 | |
| Letter arranging a visit to discuss new instrument board layout schemes and failures. | 18th Jun 1934 | Box 62 \ 2 scan0293 | |
| Letter from S. Smith & Sons regarding a missed visit, petrol gauges, and Jackall accessories. | 21th Jun 1934 | Box 62 \ 2 scan0294 | |
| Visit to supplier S. Smiths & Sons Ltd. regarding instrument failures and complaints. | 22th Jun 1934 | Box 62 \ 2 scan0295 | |
| New instrument schemes and resolving magnetic interference from the A.T. Speedometer. | 22th Jun 1934 | Box 62 \ 2 scan0296 | |
| Letter to S.Smith & Sons Ltd. following up on a visit regarding instrument failures, designs and layouts. | 25th Jun 1934 | Box 62 \ 2 scan0297 | |
| Letter from S. Smith & Sons regarding issues with Petrol Gauge Meters and Tank Units. | 25th Jun 1934 | Box 62 \ 2 scan0298 | |
| Continuation page of a letter from S. Smith & Sons Ltd. regarding a recommendation for three instruments. | 25th Jun 1934 | Box 62 \ 2 scan0299 | |
| Internal memorandum from S. Smith & Sons regarding the status and inspection of various received instruments. | 20th Jun 1934 | Box 62 \ 2 scan0300 | |
| Page 2 of an internal memorandum from S. Smith & Sons regarding component servicing. | 25th Jun 1934 | Box 62 \ 2 scan0301 | |
| From Sg. to Wst. regarding a visit to Smith's Instruments to discuss failures and new types. | 25th Jun 1934 | Box 62 \ 2 scan0302 | |
| Letter from S. Smith & Sons responding to queries about a petrol gauge, speedometer design, and sample layout delivery. | 26th Jun 1934 | Box 62 \ 2 scan0303 | |
| Letter from S. Smith & Sons regarding an issue with loose hands on a sample instrument and the cost of modification. | 26th Jun 1934 | Box 62 \ 2 scan0304 | |
| Instrument arrangement for chassis 5.B.IV due to delays with illuminated dials. | 27th Jun 1934 | Box 62 \ 2 scan0305 | |
| Procurement and mounting instructions for lightened type instruments on Bentley Chassis 5.B.IV. | 27th Jun 1934 | Box 62 \ 2 scan0306 | |
| Non-functioning rev-clock on chassis B23AE and the supply of a replacement. | 29th Jun 1934 | Box 62 \ 2 scan0307 | |
| Requesting the return of a loaned Hudson Instrument Patch to Messrs. S. Smith & Sons Ltd. | 30th Jun 1934 | Box 62 \ 2 scan0308 | |
| Sending a Bentley rev-clock for repair and regulation. | 5th Jul 1934 | Box 62 \ 2 scan0309 | |
| Letter from S. Smith & Sons acknowledging receipt of a letter from Mr. H.E. West, advising they are awaiting a report from their representative. | 20th Jul 1934 | Box 62 \ 2 scan0310 | |
| Letter from S. Smith & Sons regarding an enquiry about new lighter instruments. | 25th Jul 1934 | Box 62 \ 2 scan0311 | |
| Letter from S. Smith & Sons concerning the development of new Lighter type Instruments and issues with magnetic interference. | 25th Jul 1934 | Box 62 \ 2 scan0312 | |
| Letter from S. Smith & Sons regarding a celastoid speed ring for a Bentley combined instrument. | 27th Jul 1934 | Box 62 \ 2 scan0313 | |
| Letter to S. Smith & Sons Ltd. arranging a meeting to discuss instrument layout and speedometer progress. | 28th Jul 1934 | Box 62 \ 2 scan0314 | |
| Design and layout of a new combined instrument group for RR and Bentley cars. | 1st Aug 1934 | Box 62 \ 2 scan0315 | |
| Providing an independent switch for extinguishing instrument illumination. | 1st Aug 1934 | Box 62 \ 2 scan0316 | |
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