| Description | Date | Identifier | |
| From 'Wd' announcing a leave of absence and arrangements for cover during that period. | 19th May 1925 | Box 33 \ 1 Scan239 | |
| Confidential memo discussing the policy of mechanic-testers flying during aero engine tests. | 30th Jun 1925 | Box 33 \ 1 Scan240 | |
| Requesting employees to contact the Managing Director two days prior to any holiday departure. | 1st Jul 1925 | Box 33 \ 1 Scan241 | |
| From Hs. to C.J. regarding upcoming holiday dates and availability. | 20th Jul 1925 | Box 33 \ 1 Scan242 | |
| From Hs. to WOR. seeking clarification on the procedures for officials using experimental cars. | 22th Jul 1925 | Box 33 \ 1 Scan243 | |
| Cover note for a notice regarding the issue of requisitions for materials and supplies. | 8th May 1925 | Box 33 \ 1 Scan244 | |
| Notice outlining the approval process for requisitions and orders for materials, substances, and general stores. | 5th Aug 1925 | Box 33 \ 1 Scan245 | |
| Informing recipients that 'P.N.' will be away for at least ten days starting from the 22nd. | 18th Sep 1925 | Box 33 \ 1 Scan246 | |
| Quarterly note establishing a strict procedure for introducing changes to the chassis, referencing a past failure with aluminium pistons. | 29th Sep 1925 | Box 33 \ 1 Scan247 | |
| Quarterly note regarding the introduction of changes to the chassis. | 30th Sep 1925 | Box 33 \ 1 Scan248 | |
| To testers and drivers regarding safe driving practices, specifically on Swarkestone Bridge. | 14th Oct 1925 | Box 33 \ 1 Scan249 | |
| To Mr. Hives regarding compliance with the National Insurance Acts for new employees under 16. | 8th Oct 1925 | Box 33 \ 1 Scan250 | |
| Request from the Royal Air Force for a lecture on the 'Condor' engine for Aircraft Apprentices. | 16th Oct 1925 | Box 33 \ 1 Scan251 | |
| Directive to staff about reverting to pre-war business organisation and procedures following the war. | 22th Oct 1919 | Box 33 \ 1 Scan252 | |
| Inter-departmental operations, correspondence efficiency, and financial accountability. | 24th Oct 1925 | Box 33 \ 1 Scan253 | |
| Standardization of staff name abbreviations on reports. | 24th Oct 1925 | Box 33 \ 1 Scan254 | |
| Various thread standards used for name-plate screws, studs, and bolts in automobile construction. | 27th Oct 1925 | Box 33 \ 1 Scan255 | |
| Notice postponing the stocktaking event until the following year. | 28th Oct 1925 | Box 33 \ 1 Scan256 | |
| Letter from the Air Ministry outlining the procedure for obtaining passes to visit Experimental Establishments. | 30th Oct 1925 | Box 33 \ 1 Scan257 | |
| Preparations for a visit to the works by the Air Minister, Sir Samuel Hoare. | 18th Nov 1925 | Box 33 \ 1 Scan258 | |
| Outlining a new procedure for communicating with customers about delays in car delivery. | 24th Nov 1925 | Box 33 \ 1 Scan259 | |
| Outlining the procedure for handling damaging customer complaints about new models. | 24th Nov 1925 | Box 33 \ 1 Scan260 | |
| Copy of a letter to Connaught Motor & Carriage Co. Ltd. explaining a vehicle delivery delay due to rigorous final testing. | 17th Nov 1925 | Box 33 \ 1 Scan261 | |
| Letter addressing customer policy and a specific issue with road springs on Mr. Joll's car. | 18th Nov 1925 | Box 33 \ 1 Scan262 | |
| Copy of a letter to Connaught Motor Company Ltd. clarifying the policy on pre-delivery improvements to cars. | 18th Nov 1925 | Box 33 \ 1 Scan263 | |
| Updating the wording for letters regarding the Workmen's Compensation Act for service abroad. | 23th Jun 1925 | Box 33 \ 1 Scan264 | |
| To standardize the official name of the instruction class held at Seleng House, Ewell. | 27th Nov 1925 | Box 33 \ 1 Scan265 | |
| Discontinuing the use of names for aero engines in favour of numerical designations. | 8th Dec 1925 | Box 33 \ 1 Scan266 | |
| Letter from the Air Ministry outlining the procedure for mechanics visiting Experimental Establishments. | 18th Dec 1925 | Box 33 \ 1 Scan267 | |
| Attaching a copy of a letter from the Air Ministry to the S.B.A.C. concerning visits to R.A.F. Experimental Establishments. | 23th Dec 1925 | Box 33 \ 1 Scan268 | |
| Quarterly note regarding succession planning for managers to ensure continuity during long-term illness. | 1st Dec 1925 | Box 33 \ 1 Scan269 | |
| From Hs. to CJ. confirming adherence to instructions regarding chassis changes. | 31th Dec 1925 | Box 33 \ 1 Scan270 | |
| Instructing staff to contact the Managing Director before taking holiday leave. | 1st Jan 1926 | Box 33 \ 1 Scan271 | |
| Division of the Experimental Test Department into sections and assigning responsible personnel. | 5th Jan 1926 | Box 33 \ 1 Scan272 | |
| Internal quarterly note from Hs. to CJ. providing replies to two questions. | 4th Jan 1926 | Box 33 \ 1 Scan273 | |
| Clarifying the procedure for charging employees for private telephone calls made from the Derby site. | 1st Jan 1926 | Box 33 \ 1 Scan274 | |
| Instructing department heads at Derby to report any absences to avoid confusion and customer inconvenience. | 15th Feb 1926 | Box 33 \ 1 Scan275 | |
| Guide to the Greek alphabet and its common usage in technical notations. | 1st Mar 1926 | Box 33 \ 1 Scan276 | |
| Forwarding a letter from Leicestershire County Council regarding two of the company's cars. | 1st Mar 1926 | Box 33 \ 1 Scan277 | |
| From Hs. expressing gratitude for being made a member of the National Geographic Society. | 8th Mar 1926 | Box 33 \ 1 Scan278 | |
| Arranging a visit to progress the aero engine programme. | 12th Mar 1926 | Box 33 \ 1 Scan279 | |
| Requesting 50 copies of two experimental reports and asking for an update on other reports. | 2nd Mar 1926 | Box 33 \ 1 Scan280 | |
| From DA to HS regarding travel arrangements for a visit to Le Canadel. | 15th Mar 1926 | Box 33 \ 1 Scan281 | |
| Granting permission for four named employees to be absent to visit the Industrial Research Laboratories in Birmingham. | 16th Mar 1926 | Box 33 \ 1 Scan282 | |
| Quarterly note from 'CJ' establishing the procedure for introducing changes to the chassis and warning against unauthorized alterations. | 25th Mar 1926 | Box 33 \ 1 Scan283 | |
| Quarterly note to managers regarding succession planning in case of illness. | 25th Mar 1926 | Box 33 \ 1 Scan284 | |
| Quarterly note from Hs. to CJ. providing answers to two questions. | 26th Mar 1926 | Box 33 \ 1 Scan285 | |
| Quarterly note from Hs. to CJ. confirming adherence to instructions in a previous memo. | 26th Mar 1926 | Box 33 \ 1 Scan286 | |
| Outlining the procedure for employees making and being charged for private telephone calls. | 27th Mar 1926 | Box 33 \ 1 Scan287 | |
| Internal memorandum from Hs. to D. confirming that instructions are being carried out. | 29th Mar 1926 | Box 33 \ 1 Scan288 | |
| Instruction on the procedure for booking railway tickets for company business. | 29th Mar 1926 | Box 33 \ 1 Scan289 | |
| To superintendents regarding the collection of old stock-taking lists for correction. | 31th Mar 1926 | Box 33 \ 1 Scan290 | |
| Procedure for purchasing railway tickets. | 8th Apr 1926 | Box 33 \ 1 Scan291 | |
| Clarifying the procedure for purchasing railway tickets, specifying a minimum notice period. | 13th Apr 1926 | Box 33 \ 1 Scan292 | |
| Instructing the Stores department to pack and forward two boxes of indicator instruments to two different universities. | 16th Apr 1926 | Box 33 \ 1 Scan293 | |
| Announcing new management appointments made at a Board Meeting. | 24th Apr 1926 | Box 33 \ 1 Scan294 | |
| Announcing the agreement of a two-week annual summer holiday for staff. | 4th May 1926 | Box 33 \ 1 Scan295 | |
| Potential impact of a strike on designing work and proposing transport to West Wittering. | 1st May 1926 | Box 33 \ 1 Scan296 | |
| Standardisation sheets, requiring a 10,000-mile road test for parts before customer delivery. | 1st May 1926 | Box 33 \ 1 Scan297 | |
| Arrangement of staff summer holidays and a proposal for taking them. | 15th May 1926 | Box 33 \ 1 Scan298 | |
| Proposed schedule for the annual summer holiday, detailing periods for works and staff. | 19th May 1926 | Box 33 \ 1 Scan299 | |
| Confirming summer holiday arrangements and requesting staff absence lists for the payroll department. | 19th May 1926 | Box 33 \ 1 Scan300 | |
| Instructing staff on measures to reduce the high cost of trunk telephone calls. | 1st Jun 1926 | Box 33 \ 1 Scan301 | |
| From BJ to Hs. about the implementation of a new card system for improvements. | 8th Jun 1926 | Box 33 \ 1 Scan302 | |
| Advising of the appointment of Mr. Normald as the new General Works Manager. | 23th Jun 1926 | Box 33 \ 1 Scan303 | |
| Quarterly note regarding succession planning for responsible positions in case of prolonged illness. | 1st Jun 1926 | Box 33 \ 1 Scan304 | |
| Requesting staff to write to the Managing Director two days prior to taking a holiday. | 25th Jun 1926 | Box 33 \ 1 Scan305 | |
| Economy in stationery supplies. | 26th Jun 1926 | Box 33 \ 1 Scan306 | |
| Announcing the appointment of Mr. S.G. Wheeler as Export Manager. | 29th Jun 1926 | Box 33 \ 1 Scan307 | |
| Post Office Telegram regarding vehicle logistics, travel arrangements, and fitting new splashers. | 26th Jul 1917 | Box 33 \ 1 Scan308 | |
| Requesting a fortnightly list of trunk calls made by a department. | 1st Jul 1926 | Box 33 \ 1 Scan309 | |
| Quarterly note from Hs. to BJ. confirming that instructions from a previous note are being followed. | 6th Jul 1926 | Box 33 \ 1 Scan310 | |
| Weekly chart outlining service duties and staff rotas for watchmen and the transport department. | 25th Sep 1937 | Box 33 \ 1 Scan311 | |
| Circulating a copy of a Sales Bulletin concerning the relationship between the UK and American companies. | 14th Sep 1926 | Box 33 \ 1 Scan312 | |
| Quarterly note regarding succession planning for managers in case of prolonged illness. | 1st Sep 1926 | Box 33 \ 1 Scan313 | |
| Quarterly note regarding the procedures and past failures when introducing changes to the chassis. | 30th Sep 1926 | Box 33 \ 1 Scan314 | |
| The need for a central storehouse for experimental and Air Ministry aero engines and a request concerning No. 8 Test Bed. | 30th Sep 1926 | Box 33 \ 1 Scan315 | |
| Quarterly note from 'Hs.' to 'B.J.' responding to two previous questions. | 1st Oct 1926 | Box 33 \ 1 Scan316 | |
| Quarterly note confirming that instructions from a previous memo are being adhered to. | 1st Oct 1926 | Box 33 \ 1 Scan317 | |
| To 'Hs' detailing the procedure for notifying the Managing Director before taking a holiday. | 4th Oct 1926 | Box 33 \ 1 Scan318 | |
| Log of trunk calls made by the Experimental Department. | 8th Oct 1926 | Box 33 \ 1 Scan319 | |
| Announcing the introduction of log books for all experimental aero engines. | 9th Oct 1926 | Box 33 \ 1 Scan320 | |
| Private memorandum instructing departments to consider expenditure reductions due to a severe downturn in trade. | 1st Oct 1926 | Box 33 \ 1 Scan321 | |
| From the Managing Director about reducing expenditure on stationery. | 5th Oct 1926 | Box 33 \ 1 Scan322 | |
| Instructions on maintaining and updating Aero Engine Log Books for F.10 engines. | 12th Oct 1926 | Box 33 \ 1 Scan323 | |
| Internal memorandum about arranging a daily 15-minute telephone service between London and Derby to reduce costs. | 30th Oct 1926 | Box 33 \ 1 Scan324 | |
| Log of trunk calls made by the Experimental Department. | 4th Nov 1926 | Box 33 \ 1 Scan325 | |
| Requesting a new blue uniform for a driver named Dodd as his current one is shabby. | 16th Nov 1926 | Box 33 \ 1 Scan326 | |
| Sending Dodd to Le Canadel and acquiring a uniform for him. | 17th Nov 1926 | Box 33 \ 1 Scan327 | |
| Arrangements for sending Mr Dodd to London for a uniform fitting. | 22th Nov 1926 | Box 33 \ 1 Scan328 | |
| Instructions for mechanics regarding service procedures at Martlesham Heath. | 2nd Dec 1926 | Box 33 \ 1 Scan329 | |
| Inviting multiple recipients to lunch at the Midland Hotel in Derby. | 7th Dec 1926 | Box 33 \ 1 Scan330 | |
| From Hs. to B.J. regarding an inability to attend the Midland Hotel lunch due to a prior arrangement. | 3rd Dec 1926 | Box 33 \ 1 Scan331 | |
| From BJ to Hs regarding a missed lunch, a visit to R., and points concerning economy. | 17th Dec 1926 | Box 33 \ 1 Scan332 | |
| Internal memorandum instructing staff to stop using envelopes for non-private inter-departmental mail. | 1st Dec 1926 | Box 33 \ 1 Scan333 | |
| Agreeing to the circulation of correspondence marked 'secret' in envelopes. | 8th Dec 1926 | Box 33 \ 1 Scan334 | |
| Service duty rosters and on-call arrangements for staff over the Christmas holidays. | 22th Dec 1926 | Box 33 \ 1 Scan335 | |
| Quarterly memo regarding succession planning for key personnel. | 29th Dec 1926 | Box 33 \ 1 Scan336 | |
| Quarterly note from BJ outlining the strict procedure for introducing chassis changes and warning of severe consequences for neglect. | 1st Dec 1926 | Box 33 \ 1 Scan337 | |
| From the Managing Director regarding holiday departure procedures. | 30th Dec 1926 | Box 33 \ 1 Scan338 | |
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