| Description | Date | Identifier | |
| Wiring and dynamo arrangements for the Goshawk system, comparing Lucas and C.A.V. cutouts. | 29th Nov 1921 | Box 45 \ 3 Scan150 | |
| Different wire gauges and colours for various electrical circuits and wiring recommendations. | 29th Nov 1921 | Box 45 \ 3 Scan151 | |
| Accompanying a revised blueprint for the Goshawk II wiring diagram, superseding a previous scheme. | 12th Dec 1921 | Box 45 \ 3 Scan152 | |
| Modifications and issues with the Goshawk electrical equipment and wiring. | 20th Dec 1921 | Box 45 \ 3 Scan153 | |
| Recommendation to adopt single circuit wiring over double wiring for lamp-holders due to reliability issues. | 20th Dec 1921 | Box 45 \ 3 Scan154 | |
| Samples, specifications, and ordering of wiring for the Goshawk wiring scheme. | 13th Jan 1922 | Box 45 \ 3 Scan155 | |
| The colours for various parts and referencing a prior quotation. | 13th Jan 1922 | Box 45 \ 3 Scan156 | |
| Specification document detailing the construction of cables for the R.R. Goshawk wiring system. | 13th Jan 1922 | Box 45 \ 3 Scan157 | |
| The wiring specifications and ordering of cables for the Goshawk chassis. | 16th Jan 1922 | Box 45 \ 3 Scan158 | |
| Wiring scheme for the Goshawk 11, including colour coding, numbering, and cable specifications. | 19th Jan 1922 | Box 45 \ 3 Scan159 | |
| Page 2 of a letter regarding a cable size on drawing Lec 1044 and requesting alternatives from Glover's make. | 1st Jan 1922 | Box 45 \ 3 Scan160 | |
| Need for standardising accessories, specifically the speedometer and electrical system, for the Goshawk 11 model. | 1st Jan 1922 | Box 45 \ 3 Scan161 | |
| Specification of cables for the Goshawk wiring system. | 13th Jan 1922 | Box 45 \ 3 Scan162 | |
| The starter motor wiring recommendation for the Goshawk engine, comparing its current draw to the 40/50 model. | 28th Jan 1922 | Box 45 \ 3 Scan163 | |
| Instructions for printing and modifying the Goshawk 11 wiring diagram for inclusion in an instruction book. | 30th Jan 1922 | Box 45 \ 3 Scan164 | |
| Layout options for incorporating Goshawk II wiring diagrams into an instruction book. | 4th Feb 1922 | Box 45 \ 3 Scan165 | |
| Photostat reproduction options for single and double-page diagram schemes in instruction books. | 4th Feb 1922 | Box 45 \ 3 Scan166 | |
| Order for 50 sets of various electrical cables required for the 'GOSHAWK II' chassis. | 11th Feb 1922 | Box 45 \ 3 Scan167 | |
| Specification of cables for the Goshawk wiring system. | 11th Feb 1922 | Box 45 \ 3 Scan168 | |
| The required rubber thickness for various Goshawk wiring cables. | 14th Feb 1922 | Box 45 \ 3 Scan169 | |
| Blueprints for wiring casing components for the 'Goshawk II' experimental chassis. | 20th Feb 1922 | Box 45 \ 3 Scan170 | |
| The distribution of blueprints for five 'Goshawk II' wiring parts to be fitted on an experimental chassis. | 21th Feb 1922 | Box 45 \ 3 Scan171 | |
| Supply of Goshawk wiring, considering an alternative supplier due to delivery delays for coloured wire. | 2nd Feb 1922 | Box 45 \ 3 Scan172 | |
| Cable specification change for the Klaxon Horn on the 'Goshawk II' model due to sizing issues. | 9th Mar 1922 | Box 45 \ 3 Scan173 | |
| Specification of cables for the R.R. Goshawk wiring system, allocating new specification numbers. | 21th Mar 1922 | Box 45 \ 3 Scan174 | |
| Modifications for the Goshawk II wiring and practical diagram. | 28th Mar 1922 | Box 45 \ 3 Scan175 | |
| Short letter regarding the exchange of schematics for a rear tail light and wiring. | 28th Mar 1922 | Box 45 \ 3 Scan176 | |
| List of reported failures and required modifications for the Goshawk II model. | 25th Apr 1922 | Box 45 \ 3 Scan177 | |
| Proposed improvements to the Goshawk II headlamp wiring to prevent rotation, wire damage, and water ingress. | 1st May 1922 | Box 45 \ 3 Scan178 | |
| Modifications for the Goshawk re-wiring project, including changes to junction boxes, clips, and lamp wiring. | 28th Jun 1922 | Box 45 \ 3 Scan179 | |
| Continued memorandum discussing vehicle layout F51120, conduit, tail lamp clearance, and lighting junction box. | 19th Jul 1922 | Box 45 \ 3 Scan180 | |
| The Coshawk electrical installation, detailing the extension of the wire numbering system and a request to adjust the dynamo. | 19th Jul 1922 | Box 45 \ 3 Scan181 | |
| Wiring and fittings for the Goshawk 11, requesting cable lengths to be added to blueprints. | 31th Jul 1922 | Box 45 \ 3 Scan182 | |
| Requesting an order for 40/36's Single Core Armoured Cable (Spec: 250) for the side and tail lamps on the Goshawk II. | 8th Aug 1922 | Box 45 \ 3 Scan183 | |
| Specification sheet detailing the required cables for the 'GOSHAWK II' chassis wiring. | 16th Aug 1922 | Box 45 \ 3 Scan184 | |
| Diagram of the P.P. Goshawk electrical system. | 9th Mar 1933 | Box 45 \ 3 Scan185 | |
| Page featuring a 'Print Room' stamp from Derby. | 18th Apr 1929 | Box 45 \ 3 Scan186 | |
| Particulars of cables and their colours for Goshawk II wiring. | 17th Aug 1922 | Box 45 \ 3 Scan187 | |
| Specification sheet detailing the colours of various single core braided cables. | 23th Aug 1922 | Box 45 \ 3 Scan188 | |
| Requesting particulars for a bakelite dash fitting to act as a detachable terminal for the low tension wire to the coil. | 23th Aug 1922 | Box 45 \ 3 Scan189 | |
| Alterations to cable lengths for the 'Goshawk II' chassis wiring. | 6th Sep 1922 | Box 45 \ 3 Scan190 | |
| Recommendation for using straight tubes with beaded or bell-mouthed ends for Goshawk chassis wiring. | 20th Sep 1922 | Box 45 \ 3 Scan191 | |
| Non-standard color-coding of the Goshawk engine's dynamo wiring. | 25th Sep 1922 | Box 45 \ 3 Scan192 | |
| Wiring alterations for the Goshawk 11 magneto and a redesigned securing clip. | 5th Oct 1922 | Box 45 \ 3 Scan193 | |
| Proposing an experiment with a new type of tubing for chassis wiring on the Goshawk model. | 5th Oct 1922 | Box 45 \ 3 Scan194 | |
| Report and suggestions on the Goshawk II wiring job after inspecting the first 20 cars. | 10th Oct 1922 | Box 45 \ 3 Scan195 | |
| Technical report providing feedback and suggestions on the electrical system, including battery terminals, klaxon, and wiring conduits. | 10th Oct 1922 | Box 45 \ 3 Scan196 | |
| Dispatch of blueprints for a conduit bracket for the 'Goshawk II' project and rectifications for the first 20 chassis. | 14th Oct 1922 | Box 45 \ 3 Scan197 | |
| Accompanying a blueprint for an enlarged magneto earthing cable conduit to be fitted to an experimental Goshawk II chassis. | 1st Nov 1922 | Box 45 \ 3 Scan198 | |
| Ignition system alterations for Goshawk cars intended for use abroad in hot climates. | 23th Nov 1922 | Box 45 \ 3 Scan199 | |
| Standard ignition for Goshawk chassis X.4075 and X.4079 intended for export. | 25th Nov 1922 | Box 45 \ 3 Scan200 | |
| Condition and handover of Goshawk chassis for export. | 24th Nov 1922 | Box 45 \ 3 Scan201 | |
| Change to the magneto earthing cable wiring for the Goshawk II. | 4th Dec 1922 | Box 45 \ 3 Scan202 | |
| Modifications and associated drawings for the Goshawk II battery ignition system. | 11th Dec 1922 | Box 45 \ 3 Scan203 | |
| Modifications to the wiring, coil placement, and an oil discharge fitting to improve electrical performance and component clearance. | 28th Dec 1922 | Box 45 \ 3 Scan204 | |
| Issues found with Goshawk Electrical Equipment and suggested modifications. | 28th Dec 1922 | Box 45 \ 3 Scan205 | |
| Outlining proposed solutions for issues with the Goshawk electrical equipment. | 3rd Jan 1923 | Box 45 \ 3 Scan206 | |
| Wiring alterations for the Goshawk II magneto installation, including changes to clips and casings. | 1st Jan 1928 | Box 45 \ 3 Scan207 | |
| Wiring and fittings modifications for the Goshawk II engine. | 19th Jan 1923 | Box 45 \ 3 Scan208 | |
| Proposed changes and seeking comments on the Goshawk-11 wiring arrangement. | 30th Jan 1923 | Box 45 \ 3 Scan209 | |
| Request for a complete set of the latest drawings for the Goshawk wiring arrangement on 5.G.II. | 2nd Jan 1923 | Box 45 \ 3 Scan210 | |
| Improvements to the wiring, battery terminals, and magneto for the Goshawk II. | 8th Mar 1923 | Box 45 \ 3 Scan211 | |
| The poor finish of terminals F.9778 and an update to the Magneto Switch Wire cable length. | 3rd Mar 1923 | Box 45 \ 3 Scan212 | |
| Replacement of aluminium brackets with steel ones for the Goshawk II chassis wiring. | 23th Mar 1923 | Box 45 \ 3 Scan213 | |
| Improved arrangement of wiring tubes and fittings. | 10th Mar 1923 | Box 45 \ 3 Scan214 | |
| The improved arrangement of wiring tubes and fittings for the Goshawk 11, project X.4075. | 8th Apr 1923 | Box 45 \ 3 Scan215 | |
| Proposal for routing the high-tension wire for the Goshawk II standby magneto ignition system, including a diagram. | 7th Jul 1923 | Box 45 \ 3 Scan216 | |
| Extract detailing electrical troubles regarding the breakage of wires on the 20 HP model. | 19th Jul 1923 | Box 45 \ 3 Scan217 | |
| Failure of a battery ignition cable and the subsequent investigation for modifications. | 21th Jul 1923 | Box 45 \ 3 Scan218 | |
| Broken flexible battery connection on a 20 HP Trials Landaulet, chassis No. 40G8, with a suggested fix. | 20th Jul 1923 | Box 45 \ 3 Scan219 | |
| Faulty condition of wires in conduits after service use on a 20-HP trials car. | 9th Oct 1923 | Box 45 \ 3 Scan220 | |
| Modified wiring scheme for the standby ignition on a Goshawk 11 engine. | 25th Oct 1923 | Box 45 \ 3 Scan221 | |
| Suggestion for improving low tension terminal connections on 20 HP and 40/50 HP models to prevent breakage. | 17th Nov 1923 | Box 45 \ 3 Scan222 | |
| Faulty wiring and earthing of headlamps on the 20-HP model. | 3rd Jan 1924 | Box 45 \ 3 Scan223 | |
| Copy of the HE 20 HP chassis cables list. | 20th Oct 1925 | Box 45 \ 3 Scan224 | |
| Speedometer specifications for the Goshawk I and the lack of information for Goshawk II. | 24th Jan 1921 | Box 45 \ 3 Scan225 | |
| Forwarding a letter from Blériot Ltd. concerning speedometers to the Experimental Department for a reply. | 15th Jan 1921 | Box 45 \ 3 Scan226 | |
| Letter from Bleriot Limited requesting specifications for a speedometer test. | 14th Jan 1921 | Box 45 \ 3 Scan227 | |
| Proposing a modification to the gearbox to fit a correctly reading speedometer on the Goshawk I chassis. | 8th Feb 1921 | Box 45 \ 3 Scan228 | |
| Requesting an order for an Elliott Speedometer for the Goshawk 11 engine. | 16th Feb 1921 | Box 45 \ 3 Scan229 | |
| Standardising the speedometer and electrical accessories for the Goshawk 11 model. | 1st Jan 1922 | Box 45 \ 3 Scan230 | |
| Request to obtain prices for standardizing the make of Speedometer and Clock for the Goshawk 11. | 1st Jan 1922 | Box 45 \ 3 Scan231 | |
| Standardization of speedometer gear ratios and the availability of spares for special lamps on the Goshawk model. | 14th Jan 1922 | Box 45 \ 3 Scan232 | |
| Issues with a rattling brake lever, an incorrect speedometer, and a whistling noise. | 26th Feb 1923 | Box 45 \ 3 Scan233 | |
| Examination of different speedometer types for the Goshawk/11 instrument board. | 14th Mar 1922 | Box 45 \ 3 Scan234 | |
| Brochure cover for Ripaults O.S. brand speedometers, mileage recorders, and clocks. | 14th Mar 1922 | Box 45 \ 3 Scan235 | |
| Advertisement for Ripaults O.S. Speedometers and an 8-Day Watch. | 6th Mar 1922 | Box 45 \ 3 Scan236 | |
| Tyre circumferences and running distances for the Goshawk Speedometer. | 6th Mar 1922 | Box 45 \ 3 Scan237 | |
| Issues with the A.T. speedometer on the Goshawk model breaking loose due to very small flanges. | 1st Oct 1922 | Box 45 \ 3 Scan238 | |
| Recurring faulty speedometer drive on the 20-HP model, involving a broken bronze pinion. | 7th Apr 1923 | Box 45 \ 3 Scan239 | |
| Investigation into a broken speedometer drive pinion, concluding the cause was over-tightening and proposing a new design. | 18th Apr 1923 | Box 45 \ 3 Scan240 | |
| Testing an A.T. speedometer with a trip indicator on a 20 HP car and recommending its use for customers. | 21th Aug 1924 | Box 45 \ 3 Scan241 | |
| Sourcing of a suitable A.T. speedometer with a trip function for a new instrument board design. | 29th Dec 1924 | Box 45 \ 3 Scan242 | |
| Extract regarding the fitting of a Klaxon horn to the Goshawk 11 chassis. | 30th Dec 1921 | Box 45 \ 3 Scan243 | |
| Sample Klaxon Horn for the Goshawk 11 model. | 10th Jan 1922 | Box 45 \ 3 Scan244 | |
| The fitting of a Klaxon Horn on a Goshawk 11, referencing drawing No. leC 1526. | 28th Jan 1922 | Box 45 \ 3 Scan245 | |
| Suitability and price of a special Cobra horn for the Goshawk model. | 8th Mar 1922 | Box 45 \ 3 Scan246 | |
| Discontinuing the Cobra horn on works cars and recommending the Lucas type 3F horn as a replacement. | 8th Mar 1922 | Box 45 \ 3 Scan247 | |
| Instruction to fit a Boa Constrictor Horn to the Goshawk Car for Mr. Royce. | 10th Mar 1922 | Box 45 \ 3 Scan248 | |
| Urgent memo to Mr. Royce regarding the fitting of a 'Boa Constrictor' horn to the Goshawk car. | 10th Mar 1922 | Box 45 \ 3 Scan249 | |
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