| Description | Date | Identifier | |
| The mathematical principles of armature wave windings. | 9th Oct 1918 | Box 68 \ 4 scan0166 | |
| The mathematical formulas and principles for armature wave windings. | 9th Oct 1918 | Box 68 \ 4 scan0167 | |
| Table of values for 'n' based on parameters K, p, and winding characteristics. | 15th Feb 1916 | Box 68 \ 4 scan0168 | |
| Technical document detailing the principles and calculations for Lap Windings. | 15th Feb 1916 | Box 68 \ 4 scan0169 | |
| Example calculation for a Speedometer Magneto Armature. | 16th Feb 1916 | Box 68 \ 4 scan0170 | |
| Technical notes and winding specifications for Magneto & Speedometer Armatures. | 23th Dec 1916 | Box 68 \ 4 scan0171 | |
| Alterations approval workflow diagram for 190-HP Aero Engine parts. | 23th Dec 1916 | Box 68 \ 4 scan0172 | |
| Alteration notice for Avro engine parts concerning retrogressive lap specifications for coils and commutators. | 8th Jun 1928 | Box 68 \ 4 scan0173 | |
| Mirrored document outlining alterations to 100-HP Aero Engine Parts, including a list of approvals and a note regarding an agreement with the Admiralty. | 8th Jun 1928 | Box 68 \ 4 scan0174 | |
| Technical notes on progressive lap winding, detailing forward and backward pitches and a step sequence. | 8th Jun 1928 | Box 68 \ 4 scan0175 | |
| Mirrored diagram and form detailing alterations to aero engine parts. | 8th Jun 1928 | Box 68 \ 4 scan0176 | |
| Record of retrogressive alterations to engine part pitches and slots. | 8th Jun 1928 | Box 68 \ 4 scan0177 | |
| Circular workflow diagram illustrating the process for engine alterations. | 8th Jun 1928 | Box 68 \ 4 scan0178 | |
| The specifications for a progressive cap, detailing pitches and coil/slot configurations. | 8th Jun 1928 | Box 68 \ 4 scan0179 | |
| Workflow diagram for engine part alterations, detailing steps for approval, costing, and departmental signatures. | 8th Jun 1928 | Box 68 \ 4 scan0180 | |
| Hand-drawn winding diagram for an electrical component. | 8th Jun 1928 | Box 68 \ 4 scan0181 | |
| Hand-drawn winding diagram for an electrical component showing poles and connections. | 8th Jun 1928 | Box 68 \ 4 scan0182 | |
| Hand-drawn winding diagram for an electrical armature or stator. | 8th Jun 1928 | Box 68 \ 4 scan0183 | |
| Diagram illustrating an electrical armature winding pattern. | 8th Jun 1928 | Box 68 \ 4 scan0184 | |
| Hand-drawn winding diagram for a commutator-type electrical machine. | 24th Mar 1919 | Box 68 \ 4 scan0185 | |
| Dynamo and motor windings for the 20 HP chassis, suggesting experimental armature winding. | 24th Mar 1919 | Box 68 \ 4 scan0186 | |
| Hand-drawn diagram illustrating a normal lap winding for an electrical component. | 4th Mar 1915 | Box 68 \ 4 scan0187 | |
| Hand-drawn diagram illustrating a lap winding (short chord) electrical configuration. | 4th Mar 1915 | Box 68 \ 4 scan0188 | |
| The 20 HP starter motor and dynamo, detailing the dispatch of drawings and models. | 9th Apr 1919 | Box 68 \ 4 scan0189 | |
| Hand-drawn winding diagram for a 4-pole, 4-circuit wave-wound armature. | 1st Jan 1945 | Box 68 \ 4 scan0190 | |
| Hand-drawn winding diagram for a 45 slot armature. | 1st Jan 1945 | Box 68 \ 4 scan0191 | |
| Hand-drawn winding diagram for a 24-slot armature. | 24th Feb 1948 | Box 68 \ 4 scan0192 | |
| List of electrical apparatus models required for Mr. Royce's inspection. | 12th Sep 1919 | Box 68 \ 4 scan0193 | |
| Comparative table of specifications for armature windings in S.S. motors. | 17th Sep 1919 | Box 68 \ 4 scan0194 | |
| Comparison table of armature windings for S.S. Motors. | 26th Apr 1917 | Box 68 \ 4 scan0195 | |
| Table of specifications for armature windings for various dynamos. | 29th Sep 1919 | Box 68 \ 4 scan0196 | |
| Table of armature windings and technical specifications for various dynamos. | 29th Sep 1919 | Box 68 \ 4 scan0197 | |
| Specifications table for armature windings of various S.S. motors. | 29th Sep 1919 | Box 68 \ 4 scan0198 | |
| Continuation of a comparative table of armature winding specifications for various S.S. motors. | 20th Dec 1931 | Box 68 \ 4 scan0199 | |
| Comparison table of specifications for various S. Motors (starter motors). | 22th Nov 1919 | Box 68 \ 4 scan0200 | |
| Extract detailing Mr. Bentley's views on the use of steel versus phosphor bronze for armature binding wires. | 22th Nov 1919 | Box 68 \ 4 scan0201 | |
| Internal memorandum regarding the progress of the Goshawk Dynamo & Motor. | 20th Feb 1920 | Box 68 \ 4 scan0202 | |
| Specifications for building two dynamos using parts from a starter motor. | 22th Mar 1920 | Box 68 \ 4 scan0203 | |
| Page two of a document detailing specifications for armature winding, including coils, wiring, insulation and assembly. | 22th Mar 1920 | Box 68 \ 4 scan0204 | |
| Report discussing the testing and development of dynamos with wavewinding and trembler control. | 22th Mar 1920 | Box 68 \ 4 scan0205 | |
| Specifications for building an experimental dynamotor for a 40/50 HP chassis from starter motor parts. | 23th Mar 1920 | Box 68 \ 4 scan0206 | |
| Specifications for an armature and field winding, detailing slot dimensions, wire gauges, and air gap. | 23th Mar 1920 | Box 68 \ 4 scan0207 | |
| Design specifications and experimental aims for a plain shunt wound machine with vibrator control. | 23th Mar 1920 | Box 68 \ 4 scan0208 | |
| Suggestive diagram showing the material composition and dimensions for a 37-slot armature dynamo. | 25th Mar 1920 | Box 68 \ 4 scan0209 | |
| Diagram with dimensions for a slot in a 45-slot armature for an experimental dynamo. | 25th Mar 1920 | Box 68 \ 4 scan0210 | |
| Internal request for particulars, illustrations, and models of armature windings for small dynamos and motors used on cars. | 5th May 1920 | Box 68 \ 4 scan0211 | |
| Armature winding specifications for a Bosch lighting dynamo presented in tabular form with a diagram. | 22th Dec 1911 | Box 68 \ 4 scan0212 | |
| Simplified winding diagram for a Bosch lighting dynamo armature. | 22th Dec 1911 | Box 68 \ 4 scan0213 | |
| Winding diagram of a Bosch Lighting Dynamo Armature. | 1st Apr 1921 | Box 68 \ 4 scan0214 | |
| Investigation of a Rotax dynamo's winding scheme and field circuit resistance. | 1st Apr 1921 | Box 68 \ 4 scan0215 | |
| The investigation of a Rotax Dynamo Armature winding. | 16th Apr 1921 | Box 68 \ 4 scan0216 | |
| Technical note detailing the principles and formulas for wave winding of uniform slot pitch in armatures. | 30th May 1921 | Box 68 \ 4 scan0217 | |
| Instructions for modifications to a dynamo armature for the 40/50 chassis, based on a visit with Mr. Royce. | 30th May 1921 | Box 68 \ 4 scan0218 | |
| Continued memorandum on dynamo and starter motor winding diagrams and a decision by Mr. Royce on machine configuration. | 30th May 1921 | Box 68 \ 4 scan0219 | |
| Mr. Royce's remarks on the manufacture of dynamos and starter motors. | 2nd Aug 1921 | Box 68 \ 4 scan0220 | |
| Mr. Royce's instructions on dynamo and motor armature specifications for four-pole machines. | 12th Jun 1921 | Box 68 \ 4 scan0221 | |
| Winding table for a Rotax AT.12 Dynamo with numbered conductors. | 17th Jun 1921 | Box 68 \ 4 scan0222 | |
| Request to create a dummy wooden armature for the 'Coshawk II' motor and dynamo. | 10th Aug 1921 | Box 68 \ 4 scan0223 | |
| Instructions for producing two dummy model armatures for the 'GOSHAWK II' dynamo and S. Motor. | 17th Aug 1921 | Box 68 \ 4 scan0224 | |
| Experiments with three different armature designs to achieve a silent dynamo. | 10th Oct 1921 | Box 68 \ 4 scan0225 | |
| Page 2 of a document detailing calculations for the armature of a four-pole machine. | 10th Oct 1921 | Box 68 \ 4 scan0226 | |
| Providing feedback and suggesting modifications for dynamo and motor armature windings. | 10th Oct 1921 | Box 68 \ 4 scan0227 | |
| Recommendation to prevent winding failure by banding it nearer the armature core. | 10th Oct 1921 | Box 68 \ 4 scan0228 | |
| Note regarding dynamo and motor armature windings for the Goshawk model. | 13th Oct 1921 | Box 68 \ 4 scan0229 | |
| Page of calculations to determine the best depth of a slot in an armature. | 1st Jan 1925 | Box 68 \ 4 scan0230 | |
| Following up on the results of a comparative trial of three dynamo armatures for a lighting set. | 1st Jan 1925 | Box 68 \ 4 scan0231 | |
| Noise issues with a lighting dynamo, caused by vibration from laminated pole pieces. | 3rd Jan 1925 | Box 68 \ 4 scan0232 | |
| Request to prepare simple drawings for various dynamo and motor armature slots. | 22th May 1925 | Box 68 \ 4 scan0233 | |
| Accompanying a blueprint for Dynamo and Starter Motor Armature Slots. | 9th Jun 1925 | Box 68 \ 4 scan0234 | |
| Index list of winding diagrams for various dynamos and motors with their corresponding drawing numbers. | 1st Jan 1927 | Box 68 \ 4 scan0235 | |
| Statement concerning the adoption of an armature having 28 slots and 56 coils to make a dynamo quieter. | 18th Jan 1927 | Box 68 \ 4 scan0236 | |
| Continued page detailing calculations for conductor pitch and commutator connections. | 18th Jan 1927 | Box 68 \ 4 scan0237 | |
| Statement on adopting an armature with 28 slots and 56 coils, with one coil being a lap coil. | 18th Jan 1927 | Box 68 \ 4 scan0238 | |
| Calculation and explanation for conductor pitch, coils per slot, and commutator connections. | 11th Apr 1929 | Box 68 \ 4 scan0239 | |
| Winding table for 20 HP or 40/50 HP armatures. | 11th Apr 1929 | Box 68 \ 4 scan0240 | |
| Winding table for 20 HP or 40/50 HP armatures. | 11th Apr 1929 | Box 68 \ 4 scan0241 | |
| The rule for armature polarity. | 23th Mar 1928 | Box 68 \ 4 scan0242 | |
| Index of winding diagrams for various dynamos and motors. | 27th May 1929 | Box 68 \ 4 scan0243 | |
| Note regarding armatures for 20 HP dynamos to achieve higher output. | 8th May 1925 | Box 68 \ 4 scan0244 | |
| Customer complaints about insufficient dynamo output at high speeds during long night journeys. | 27th Feb 1928 | Box 68 \ 4 scan0245 | |
| Modifying a dynamo with different windings to handle high-consumption headlamps without overheating. | 27th Feb 1928 | Box 68 \ 4 scan0246 | |
| Technical memorandum discussing insufficient dynamo output and potential solutions for the 20 HP & 40/50 HP models. | 9th Mar 1928 | Box 68 \ 4 scan0247 | |
| The specifications for an experimental 20 HP dynamo armature for larger output. | 28th Mar 1928 | Box 68 \ 4 scan0248 | |
| Continued memo regarding testing a higher output dynamo armature and the potential for further orders. | 28th Mar 1928 | Box 68 \ 4 scan0249 | |
| Table of various proposals for a 20 HP dynamo for higher output armature. | 28th Mar 1928 | Box 68 \ 4 scan0250 | |
| Notes on modifying 20 HP and 40/50 HP dynamos for greater output and a higher cutting-in speed. | 28th Mar 1928 | Box 68 \ 4 scan0251 | |
| Page of calculations for component dimensions, including slot width and neck depth. | 28th Mar 1928 | Box 68 \ 4 scan0252 | |
| Proposal document detailing calculations for the number of slots and chording for a 20 HP armature. | 28th Mar 1928 | Box 68 \ 4 scan0253 | |
| Calculations and suggestions for a 40/50 case armature with a modified number of slots and wire diameter. | 28th Mar 1928 | Box 68 \ 4 scan0254 | |
| Page with calculations and specifications for electrical component slots and windings. | 30th Mar 1928 | Box 68 \ 4 scan0255 | |
| Experiments to improve dynamo output at high speeds by altering armature windings. | 30th Mar 1928 | Box 68 \ 4 scan0256 | |
| Instructions to create a higher output dynamo by swapping parts between two 20 HP machines. | 12th Apr 1928 | Box 68 \ 4 scan0257 | |
| Specification sheet detailing the particulars of 26 slot dynamo armature windings for 20 HP and 40/50 HP models. | 14th Apr 1928 | Box 68 \ 4 scan0258 | |
| Proposed design changes for car dynamos to improve output and efficiency. | 18th Apr 1928 | Box 68 \ 4 scan0259 | |
| Responding to an enquiry about a delay in the work on two 26 slot armatures. | 20th Apr 1928 | Box 68 \ 4 scan0260 | |
| Modifications to dynamo armatures for augmented output at higher speeds. | 23th Apr 1928 | Box 68 \ 4 scan0261 | |
| Modifications to a dynamo's armature and pole pieces to alter its output. | 23th Apr 1928 | Box 68 \ 4 scan0262 | |
| Instructions for modifying 40/50 and 20 HP dynamo armatures for greater output at higher speeds. | 25th Apr 1928 | Box 68 \ 4 scan0263 | |
| Requirements for Phantom dynamo armatures. | 25th Apr 1928 | Box 68 \ 4 scan0264 | |
| Modifying 20 HP and 40/50 HP dynamos for greater output and higher cutting in speed. | 4th May 1928 | Box 68 \ 4 scan0265 | |
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