| Description | Date | Identifier | |
| Experimental record sheet for Morganite Brushes, tracking mileage and observations. | 28th Aug 1930 | Box 62 \ 3 scan0254 | |
| Electrical experimental record sheet logging mileage for a test of Morganite EG2 brushes. | 3rd Apr 1930 | Box 62 \ 3 scan0255 | |
| Experimental record sheet for tests on Morganite Brushes HM.5. | 15th Oct 1930 | Box 62 \ 3 scan0256 | |
| Clarifying dynamo output and battery charging procedures for 10,000-mile test cars. | 9th Nov 1931 | Box 62 \ 3 scan0257 | |
| Discrepancy in dynamo output and recommending changing from 60 watt to 36 watt headlamp bulbs. | 20th Nov 1931 | Box 62 \ 3 scan0258 | |
| Letter discussing a dynamo's output, battery discharge, and the inadequacy of 36-watt headlamp bulbs for driving in France. | 23th Nov 1931 | Box 62 \ 3 scan0259 | |
| Troubleshooting and testing of headlamp bulbs on the Phantom and 20 HP models. | 24th Nov 1931 | Box 62 \ 3 scan0260 | |
| Experimental record sheet for a 20/25 Dynamo detailing a 10,000-mile test. | 24th Nov 1931 | Box 62 \ 3 scan0261 | |
| Standardisation of an improved Magneto and Dynamo Drive for the 20/25 HP chassis. | 16th Jan 1931 | Box 62 \ 3 scan0262 | |
| Standardisation of chassis parts form for an improved dynamo drive, which was ultimately not put into production. | 26th Sep 1931 | Box 62 \ 3 scan0263 | |
| Electrical equipment, specifically windscreen wipers and dynamo output for the 25 HP model. | 26th Nov 1931 | Box 62 \ 3 scan0264 | |
| Requesting the re-skimming of a 20/25 HP+ dynamo's uneven commutator for car 19-GIV. | 30th Nov 1931 | Box 62 \ 3 scan0265 | |
| Requesting an urgent modification to a dynamo for the J.3 experiment. | 30th Nov 1931 | Box 62 \ 3 scan0266 | |
| Request to replace an experimental dynamo on chassis 25-EX with an available standard dynamo. | 14th Dec 1931 | Box 62 \ 3 scan0267 | |
| Temperature reading of a standard N.2 series dynamo measured on a 40/50 experimental chassis. | 17th Dec 1931 | Box 62 \ 3 scan0268 | |
| Electrical experimental record sheet documenting a mileage test for a 40/50 Dynamo. | 5th Jan 1932 | Box 62 \ 3 scan0269 | |
| Requesting an order for copper wire for a dynamo. | 19th Dec 1931 | Box 62 \ 3 scan0270 | |
| Record of a telephone conversation regarding the electrical system for the Japan III Peregrine. | 21th Dec 1931 | Box 62 \ 3 scan0271 | |
| Dynamo's failure to keep a battery charged during high-speed tests and the proposal for a new voltage regulator system. | 14th Jan 1932 | Box 62 \ 3 scan0272 | |
| Swapping a Scintilla dynamo onto vehicle 18.G.4 for a 10,000-mile test of its special British Carbon brushes. | 15th Jan 1932 | Box 62 \ 3 scan0273 | |
| Dynamo fault on chassis 20-EX and the proposed replacement with a special dynamo with lubricated brushes. | 10th Feb 1932 | Box 62 \ 3 scan0274 | |
| Request to replace experimental dynamo brushes and springs on chassis 14-EX with standard parts. | 1st Feb 1932 | Box 62 \ 3 scan0275 | |
| Customer's dynamo and battery charging system. | 2nd Feb 1932 | Box 62 \ 3 scan0276 | |
| Proposed experiments to improve a 3rd brush dynamo. | 12th Feb 1932 | Box 62 \ 3 scan0277 | |
| The performance, safety and recommended modifications for special high output 20/25 dynamos. | 24th Feb 1932 | Box 62 \ 3 scan0278 | |
| Provision of a higher output dynamo for chassis GPS-1 belonging to Mrs. Cadbury. | 25th Feb 1932 | Box 62 \ 3 scan0279 | |
| Attaching an ampere-speed characteristic curve for a 48 coil 20/25 dynamo. | 2nd Mar 1932 | Box 62 \ 3 scan0280 | |
| Performance graph of ampere output versus dynamo speed for a coil machine. | 10th Mar 1932 | Box 62 \ 3 scan0281 | |
| Urgent memo detailing the decision to replace a Bosch dynamo with a converted 40/50 dynamo on the 19-EX car. | 31th Mar 1932 | Box 62 \ 3 scan0282 | |
| Testing plain shunt dynamos with C.A.V. regulators as a replacement for Bosch units on chassis 19-EX. | 19th Apr 1932 | Box 62 \ 3 scan0283 | |
| Experimental work on a plain shunt chassis dynamo and associated voltage regulators. | 20th Apr 1932 | Box 62 \ 3 scan0284 | |
| Specification for the running test of a 20/25 HP Dynamo. | 22th Apr 1932 | Box 62 \ 3 scan0285 | |
| Revised production specification for the running test of a 20/25 dynamo. | 26th Apr 1932 | Box 62 \ 3 scan0286 | |
| Request for the manufacture and fitting of 4 poles and a field winding to a dynamo for the 20/25 HP Chassis. | 20th May 1932 | Box 62 \ 3 scan0287 | |
| Blueprint for the 20/25 HP Chassis Dynamo. | 21th May 1932 | Box 62 \ 3 scan0288 | |
| Extract from conference minutes regarding the 20/25 Dynamo position. | 31th May 1932 | Box 62 \ 3 scan0289 | |
| Extract from the minutes of a conference at Derby regarding the 20/25 Dynamo. | 31th May 1932 | Box 62 \ 3 scan0290 | |
| Request concerning an overhauled dynamo for chassis 20-EX. | 6th Jun 1932 | Box 62 \ 3 scan0291 | |
| Instruction to replace an experimental dynamo and cut-out on chassis 22-EX after its road test. | 6th Jun 1932 | Box 62 \ 3 scan0292 | |
| The control brush position for a 20/25 HP chassis dynamo. | 16th Jun 1932 | Box 62 \ 3 scan0293 | |
| Sending blueprints for dynamo charge rates for the 20/25 HP model. | 30th Jun 1932 | Box 62 \ 3 scan0294 | |
| Failed dynamo with a fault in the armature winding on Chassis No. 19-EX. | 18th Jul 1932 | Box 62 \ 3 scan0295 | |
| Troubleshooting an experimental dynamo on chassis 19-EX. | 1st Aug 1932 | Box 62 \ 3 scan0296 | |
| Proposal to standardise the shunt dynamo and charge system for the 40/50 voltage control. | 1st Sep 1932 | Box 62 \ 3 scan0297 | |
| Request to produce a modified 40/50 voltage control dynamo for further experimentation and standardisation. | 2nd Sep 1932 | Box 62 \ 3 scan0298 | |
| Investigating complaints of harsh running and lubrication issues with the 25 HP dynamo. | 20th Sep 1932 | Box 62 \ 3 scan0299 | |
| Starting experimental work on the Peregrine chassis with voltage regulator dynamos. | 22th Sep 1932 | Box 62 \ 3 scan0300 | |
| Experiments on CAV and R.R. regulators. | 22th Sep 1932 | Box 62 \ 3 scan0301 | |
| Scheme for incorporating a voltage regulated dynamo onto a standard chassis. | 3rd Oct 1932 | Box 62 \ 3 scan0302 | |
| Asking for advice on fitting the Dynamo Pinion Brake to the 20/25 HP chassis. | 11th Nov 1932 | Box 62 \ 3 scan0303 | |
| Request to issue a specification of test for dynamos with their control brush at 127 degrees. | 14th Nov 1932 | Box 62 \ 3 scan0304 | |
| Fitting of a voltage-regulated dynamo and regulator unit for a specific car. | 5th Nov 1932 | Box 62 \ 3 scan0305 | |
| Work order for a Voltage Regulator Dynamo for Sg's Car 1932, detailing the required part lists. | 18th Nov 1932 | Box 62 \ 3 scan0306 | |
| Request for dynamos from cars 58-GN and 22-EX to be returned for experimental bench testing. | 26th Nov 1932 | Box 62 \ 3 scan0307 | |
| Bensport J.1. tachometer drive, its design, modifications required, and a request for fitting. | 2nd Dec 1932 | Box 62 \ 3 scan0308 | |
| Insufficient output of a dynamo to power headlamps and the potential of a vibrator control system. | 9th Dec 1932 | Box 62 \ 3 scan0309 | |
| Responding to a query on the performance and heating characteristics of a vibrator regulated dynamo on model 58-GN. | 12th Dec 1932 | Box 62 \ 3 scan0310 | |
| Performance of a vibrator control system for dynamo output and battery charging. | 13th Dec 1932 | Box 62 \ 3 scan0311 | |
| Analysis of a new shunt dynamo's poor performance and the experimental modifications made to improve it. | 17th Dec 1932 | Box 62 \ 3 scan0312 | |
| Experiments to improve a machine's peak output by modifying the armature, windings, and pole cores. | 17th Dec 1932 | Box 62 \ 3 scan0313 | |
| New shunt dynamo for Peregrine, Japan, and Bensport models. | 20th Dec 1932 | Box 62 \ 3 scan0314 | |
| Comparing the output of different dynamo models and clarifying the term 'armature reluctance'. | 21th Dec 1932 | Box 62 \ 3 scan0315 | |
| Excessive wear on the Peregrine Dynamo at high speeds. | 10th Jan 1933 | Box 62 \ 3 scan0316 | |
| Modification to the 20/25 Dynamo to improve winter battery charging. | 10th Jan 1933 | Box 62 \ 3 scan0317 | |
| Standard 20/25 dynamo, agreeing to increase the charge rate and requesting the performance chart be extended to higher speeds. | 11th Jan 1933 | Box 62 \ 3 scan0318 | |
| Requesting a new high-speed dynamo test rig for Peregrine & Bensport dynamo tests. | 23th Jan 1933 | Box 62 \ 3 scan0319 | |
| Peregrine dynamo speed, addressing issues with high RPM operation, excessive brush wear due to sparking, and necessary ratio adjustments. | 25th Jan 1933 | Box 62 \ 3 scan0320 | |
| Maximum dynamo revolutions and proposed speed ratios for the Peregrine engine. | 25th Jan 1933 | Box 62 \ 3 scan0321 | |
| Modifications to the 40/50 Dynamo for automatic vibrator control. | 25th Jan 1933 | Box 62 \ 3 scan0322 | |
| Special production test specification for 20/25 Tank Engine Dynamos. | 26th Jan 1933 | Box 62 \ 3 scan0323 | |
| Specification for the running test of a 20/25 HP dynamo for tank engines. | 26th Jan 1931 | Box 62 \ 3 scan0324 | |
| Peregrine dynamo speed in relation to the use of silent third gear for town work. | 27th Jan 1933 | Box 62 \ 3 scan0325 | |
| The reduction of speed for the Peregrine Dynamo. | 27th Jan 1933 | Box 62 \ 3 scan0326 | |
| Inaccessibility of lubricator to rear bearing of dynamos on 25 HP chassis. | 2nd Feb 1933 | Box 62 \ 3 scan0327 | |
| Urgent request to order two types of copper wire required for experimental Peregrine dynamos. | 6th Feb 1933 | Box 62 \ 3 scan0328 | |
| Inaccessibility of the lubricator for the dynamo's rear bearing on the 25 HP chassis. | 7th Feb 1933 | Box 62 \ 3 scan0329 | |
| Discussion confirming changes to a shunt dynamo, including its core dimensions and wiring. | 9th Feb 1933 | Box 62 \ 3 scan0330 | |
| High-speed dynamo testing to reduce brush and commutator wear for Peregrine and Bentinck engines. | 23th Feb 1933 | Box 62 \ 3 scan0331 | |
| Test results for dynamo brush wear rates and further testing plans for noise and heating. | 23th Feb 1933 | Box 62 \ 3 scan0332 | |
| Proposal for a brake to be fitted to the Bensport dynamo drive pinion on 20/25 HP cars. | 23th Feb 1933 | Box 62 \ 3 scan0333 | |
| Dynamo output for a 'Phantom II' on a 'Bensport' and requesting further testing based on temperature rise. | 2nd Mar 1933 | Box 62 \ 3 scan0334 | |
| Maximum output and temperature limits of spigot mounted dynamos, with a table of test results. | 2nd Mar 1933 | Box 62 \ 3 scan0335 | |
| Analysis of dynamo temperature rise, performance limitations, and failure modes due to heat. | 2nd Mar 1933 | Box 62 \ 3 scan0336 | |
| Improving the cooling of dynamos and ignition coils by repositioning them on various models. | 2nd Mar 1933 | Box 62 \ 3 scan0337 | |
| Instruction to RHC to make three 40-50 HP size 'Phantom' Shunt Dynamos. | 9th Mar 1933 | Box 62 \ 3 scan0338 | |
| Urgent internal order request for copper wire for two Bensport dynamos. | 13th Mar 1933 | Box 62 \ 3 scan0339 | |
| Test procedure for measuring dynamo temperature on a 'Bensport'. | 17th Mar 1933 | Box 62 \ 3 scan0340 | |
| Instructions and electrical specifications for two shunt dynamos for the 20/25 HP Chassis. | 17th Mar 1933 | Box 62 \ 3 scan0341 | |
| Request for the estimated production cost of the new Peregrine D.Sch.546 shunt dynamo. | 31th Mar 1933 | Box 62 \ 3 scan0342 | |
| The design for damper pads on the dynamo drive for a Bensport vehicle. | 12th Apr 1933 | Box 62 \ 3 scan0343 | |
| Estimating the manufacturing cost reduction for a Shunt Dynamo under Scheme 546. | 31th Mar 1933 | Box 62 \ 3 scan0344 | |
| Letter to Joseph Sankey & Sons Ltd. requesting a visit to discuss armature stampings for dynamos and starter motors. | 26th Apr 1933 | Box 62 \ 3 scan0345 | |
| Dynamo to be produced for the Peregrine No. 4 unit engine. | 27th Apr 1933 | Box 62 \ 3 scan0346 | |
| Specification for the 40/50 shunt dynamo and C.A.V. regulator for the Bensport chassis. | 29th Apr 1933 | Box 62 \ 3 scan0347 | |
| Performance curves and future work for Peregrine and Bensport shunt dynamos. | 29th Apr 1933 | Box 62 \ 3 scan0348 | |
| Inquiring about the standardization timeline for a Vibrator Control part. | 5th May 1933 | Box 62 \ 3 scan0349 | |
| Status of vibrator controlled dynamos for Bensport, 40/50, and 20/25 chassis. | 8th May 1933 | Box 62 \ 3 scan0350 | |
| High iron losses in shunt dynamo armatures and a plan to test alternative stamped materials. | 9th May 1933 | Box 62 \ 3 scan0351 | |
| Letter to Joseph Sankey & Sons Ltd. confirming a visit, providing blueprints for armature plates and requesting sample plates for testing. | 10th May 1933 | Box 62 \ 3 scan0352 | |
| Letter from Joseph Sankey & Sons discussing the manufacture of sample Armature Cores and plates. | 11th May 1933 | Box 62 \ 3 scan0353 | |
| | | | |
