| Description | Date | Identifier | |
| List of parts and modifications for vehicle components, including wiring, ignition, and instruments. | 10th Nov 1932 | Box 169 \ 4 img075 | |
| List of parts for a condenser for battery ignition, replacing a flexible connection. | 10th Nov 1932 | Box 169 \ 4 img076 | |
| Request to build the 3rd Peregrine Silencer with specified modifications. | 13th Oct 1932 | Box 169 \ 4 img077 | |
| Blueprint detailing modifications to a Peregrine engine silencer assembly. | 13th Oct 1932 | Box 169 \ 4 img078 | |
| Blueprint detailing components and assembly instructions for a thrust system. | 18th Oct 1932 | Box 169 \ 4 img079 | |
| Electrical specification for the Peregrine II No.3 Unit. | 18th Oct 1932 | Box 169 \ 4 img080 | |
| Request to manufacture an exhaust system for the 3rd Peregrine car. | 24th Oct 1932 | Box 169 \ 4 img081 | |
| Blueprint detailing modifications for the latest Peregrine engine silencer. | 24th Oct 1932 | Box 169 \ 4 img082 | |
| Blueprint detailing the design and specifications of an exhaust system. | 24th Oct 1932 | Box 169 \ 4 img083 | |
| Specification sheet for the first Peregrine II engine unit. | 26th May 1932 | Box 169 \ 4 img084 | |
| List of parts for engine assemblies including pistons, cylinder head, valves, and camshafts. | 23th May 1932 | Box 169 \ 4 img085 | |
| List of engine component specifications and associated part numbers. | 26th May 1932 | Box 169 \ 4 img086 | |
| Oil Relief Valve and associated Casing and Thermostat parts. | 26th May 1932 | Box 169 \ 4 img087 | |
| List of seven modifications and repairs required for a Peregrine engine unit, focusing on the camshaft and cylinder head. | 2nd Jun 1938 | Box 169 \ 4 img088 | |
| Modification to increase the reach of Lodge A.40 spark plugs for a Peregrine unit. | 14th Jun 1932 | Box 169 \ 4 img089 | |
| Specification revision for the Peregrine II - No.1 Unit engine, detailing changes to various components. | 15th Jun 1932 | Box 169 \ 4 img090 | |
| Clutch slip on the Peregrine engine and a request for new clutch springs. | 6th Jul 1932 | Box 169 \ 4 img091 | |
| Specifications for a Clutch Spring, Per II. | 6th Jul 1932 | Box 169 \ 4 img092 | |
| Request to investigate an oil leak on a Peregrine engine by making a pipe. | 7th Jul 1932 | Box 169 \ 4 img093 | |
| The replacement of a lever for the Peregrine clutch. | 8th Jul 1932 | Box 169 \ 4 img094 | |
| Blueprint of a Clutch Operating Lever for a Peregrine engine. | 21th Aug 1940 | Box 169 \ 4 img095 | |
| Request to manufacture a pair of servo cams for the Peregrine II with a modified angle to increase servo load. | 12th Aug 1932 | Box 169 \ 4 img096 | |
| Specification revision document for the Peregrine II, No. 1 Unit, detailing component changes. | 25th Aug 1932 | Box 169 \ 4 img097 | |
| Specification revision for the Peregrine II - No.1 Unit, detailing changes to the camshaft and cross drive shaft. | 26th Aug 1932 | Box 169 \ 4 img098 | |
| Specification revision memo comparing old and new parts for Per. No. 1 Unit - Chassis 1.Per.II. | 22th Sep 1932 | Box 169 \ 4 img099 | |
| Specification revision notice for a Merlin II engine unit, comparing previous and revised component specifications. | 30th Sep 1932 | Box 169 \ 4 img100 | |
| Alterations to the specification for Peregrine II (No.1 Unit) carried out in the experimental garage. | 3rd Oct 1932 | Box 169 \ 4 img101 | |
| Alterations to specification for the Peregrine II (No. 1 Unit) carried out in the experimental garage. | 10th Oct 1932 | Box 169 \ 4 img102 | |
| Specification revision for a Per.II No.1 Unit, detailing a change to the Servo Motor. | 21th Oct 1932 | Box 169 \ 4 img103 | |
| Specification revision for the Peregrine II No.1 unit, covering the flywheel, clutch, and new friction discs. | 21th Mar 1933 | Box 169 \ 4 img104 | |
| Specification revision for the Peregrine II No.1 unit detailing camshaft and fan part replacements. | 21th Mar 1933 | Box 169 \ 4 img105 | |
| Modifications and testing requirements for the 2nd Peregrine engine unit. | 24th Jun 1932 | Box 169 \ 4 img106 | |
| Specification document for the Peregrine II - No.2 Unit engine, listing parts for various assemblies. | 5th Jul 1932 | Box 169 \ 4 img107 | |
| Parts list for modifications to engine components including pistons, cylinder head, valves, camshaft, and dynamo drive. | 5th Jul 1932 | Box 169 \ 4 img108 | |
| Parts list for various engine systems including ignition, lubrication, and pumps, with corresponding part and scheme numbers. | 5th Jul 1932 | Box 169 \ 4 img109 | |
| List of parts and assemblies for an oil filter, oil level indicator, oil relief valve, flywheel, clutch, gearbox, and motion shafts. | 5th Jul 1932 | Box 169 \ 4 img110 | |
| List of part numbers for various gearbox and drivetrain components. | 5th Jul 1932 | Box 169 \ 4 img111 | |
| Revised specification for the Peregrine II, No.2 Unit, comparing previous and revised component specifications. | 26th Aug 1932 | Box 169 \ 4 img112 | |
| Specification change document detailing the removal and revision of the Crankshaft Damper. | 26th Aug 1932 | Box 169 \ 4 img113 | |
| Specification sheet detailing revised parts for a Peregrine No.2 Unit, passed to test. | 1st Sep 1932 | Box 169 \ 4 img114 | |
| List of modifications to a camshaft and connecting rods, detailing parts removed and fitted. | 22th Sep 1932 | Box 169 \ 4 img115 | |
| Specification revision for the Peregrine No. 2 unit, detailing changes to engine components. | 4th Oct 1932 | Box 169 \ 4 img116 | |
| Specification revision for a petrol pump, detailing changes to components and an increased stroke. | 4th Oct 1932 | Box 169 \ 4 img117 | |
| Requesting the creation of a driving piece for a Peregrine clutch test. | 11th Oct 1932 | Box 169 \ 4 img118 | |
| Blueprint for a clutch driving piece. | 21th Oct 1927 | Box 169 \ 4 img119 | |
| Specification revision for the Peregrine LL - No.2 Unit crankshaft damper. | 24th Oct 1932 | Box 169 \ 4 img120 | |
| Specification revision for Peregrine II No.2 Unit, detailing changes to the Camshaft, Crankshaft Damper, and Flywheel/Clutch assemblies. | 27th Jan 1933 | Box 169 \ 4 img121 | |
| Specification revision for the Peregrine II, No. 2 Unit, detailing crankcase bearings and connecting rods. | 21th Mar 1933 | Box 169 \ 4 img122 | |
| Specification and test report for the Peregrine II, No. 2 Unit, detailing modifications to the crankcase and bearings. | 25th May 1933 | Box 169 \ 4 img123 | |
| List of technical issues and required examinations for a Peregrine II No.3 engine unit. | 10th Oct 1932 | Box 169 \ 4 img124 | |
| Specification sheet for the Peregrine II - No.3 Unit. | 18th Oct 1932 | Box 169 \ 4 img125 | |
| List of engine component part numbers and specifications, with handwritten annotations. | 18th Oct 1932 | Box 169 \ 4 img126 | |
| List of engine components, sub-assemblies, and their corresponding reference numbers. | 18th Oct 1932 | Box 169 \ 4 img127 | |
| List of part numbers and specifications for various engine components. | 18th Oct 1932 | Box 169 \ 4 img128 | |
| Specification revision for the Peregrine II - No.3 Test Bed Unit, detailing camshaft changes. | 24th Oct 1932 | Box 169 \ 4 img129 | |
| Issues with the dowels on a Peregrine Damper and suggesting a material change to bronze. | 24th Oct 1932 | Box 169 \ 4 img130 | |
| Urgent request to manufacture a piston and needle for a Peregrine 3 carburetter. | 1st Nov 1932 | Box 169 \ 4 img131 | |
| Recommendation to re-line the servo for a 10,000 miles test as the linings were previously soaked in oil. | 1st Nov 1932 | Box 169 \ 4 img132 | |
| Revised specification for the Peregrine II, No. 3 Unit, following a 10,000-mile trials test. | 9th Nov 1932 | Box 169 \ 4 img133 | |
| Parts list detailing modifications to engine components including connecting rods, pistons, and cylinders. | 9th Nov 1932 | Box 169 \ 4 img134 | |
| List of engine components, drives, and fittings with associated part and scheme numbers. | 9th Nov 1932 | Box 169 \ 4 img135 | |
| List of modifications for the carburetter and oil system components. | 18th Sep 1932 | Box 169 \ 4 img136 | |
| List of parts for a Flywheel & Clutch assembly, including items for comparative tests. | 9th Nov 1932 | Box 169 \ 4 img137 | |
| Request to manufacture a set of springs for the clutch spring drive for car 4.Per.II. | 13th Mar 1933 | Box 169 \ 4 img138 | |
| Specification sheet for a clutch spring, including dimensions and load ratings. | 1st Mar 1933 | Box 169 \ 4 img139 | |
| List of 17 planned improvements for the Peregrine III engine. | 16th Jan 1933 | Box 169 \ 4 img140 | |
| List of design modifications and features for various vehicle components, continued on page 2. | 16th Jan 1933 | Box 169 \ 4 img141 | |
| List of modifications and improvements to hydraulic dampers, servo, and oil relief valves. | 23th Jan 1933 | Box 169 \ 4 img142 | |
| Planned upgrades for Peregrine unit No.3 and discussing clutch testing. | 23th Jan 1933 | Box 169 \ 4 img143 | |
| List of jobs requiring attention on PER.III, categorized by vehicle component. | 25th Jan 1933 | Box 169 \ 4 img144 | |
| Specification revision for a Merlin II No.1 Unit, detailing new and replacement parts for the crankcase and crankshaft. | 1st Feb 1933 | Box 169 \ 4 img145 | |
| List of new and replacement engine components with their corresponding part numbers. | 16th Jul 1933 | Box 169 \ 4 img146 | |
| List of new and updated engine components and their associated parts. | 7th Aug 1933 | Box 169 \ 4 img147 | |
| Parts list for a flywheel and clutch spring drive, and a breather on the clutch casing. | 12th Feb 1933 | Box 169 \ 4 img148 | |
| Petrol and oil consumption test results with valve timing data for cylinders 1 and 6. | 25th Mar 1933 | Box 169 \ 4 img149 | |
| Specification revision for a Unit-Chassis, detailing changes to the flywheel and clutch. | 25th May 1933 | Box 169 \ 4 img150 | |
| Complete specification document for the Peregrine II - No. 4 Unit. | 25th Nov 1932 | Box 169 \ 4 img151 | |
| List of engine components including the cylinder head, valves, camshaft, and various drives with their corresponding part numbers. | 25th Nov 1932 | Box 169 \ 4 img152 | |
| List of components and assemblies with their corresponding part and scheme numbers. | 25th Nov 1932 | Box 169 \ 4 img153 | |
| List of modifications and associated part numbers for carburetter, inlet pipes, flywheel, clutch, and distributor components. | 25th Nov 1932 | Box 169 \ 4 img154 | |
| Request to fit a carburetter and induction pipe from a Per.II car onto a Per.IV engine unit. | 6th Jan 1933 | Box 169 \ 4 img155 | |
| Specification revision for the Peregrine II, No. 4 unit, detailing changes to crankshaft, pistons, and cylinder head components. | 27th Jan 1933 | Box 169 \ 4 img156 | |
| Specification change document comparing previous and revised parts for valves, camshaft, and flywheel/clutch assemblies. | 27th Jan 1933 | Box 169 \ 4 img157 | |
| Modification to the Peregrine engine's crankcase to reduce oil consumption. | 10th May 1933 | Box 169 \ 4 img158 | |
| Revised specification for the Peregrine II No. 4 unit, noting a camshaft wheel replacement due to a seized dynamo armature. | 21th Mar 1933 | Box 169 \ 4 img159 | |
| Requesting changes to valve timing and piston rings for a Per.II No.4 unit due to overoiling. | 22th May 1933 | Box 169 \ 4 img160 | |
| Specification revision for the Peregrine No.4 Unit camshaft. | 25th May 1933 | Box 169 \ 4 img161 | |
| Specification revision for the Peregrine.ll. No.4 Unit, detailing changes to the camshaft and pistons. | 1st Jun 1933 | Box 169 \ 4 img162 | |
| Incorrect valve timing on a Peregrine Test Bed Unit, which was discovered after fitting. | 3rd Mar 1933 | Box 169 \ 4 img163 | |
| List of parts for two different Peregrine engine cylinder heads prepared for comparison testing. | 22th Jun 1933 | Box 169 \ 4 img164 | |
| Complete specification list of parts for the Peregrine II, No.5 Exit Unit. | 23th Nov 1932 | Box 169 \ 4 img165 | |
| List of parts and assemblies with corresponding LOP, LeC, and Scheme numbers. | 23th Nov 1932 | Box 169 \ 4 img166 | |
| List of parts including pumps, filters, and fittings with their corresponding scheme and component numbers. | 23th Nov 1932 | Box 169 \ 4 img167 | |
| List of modifications and parts for a carburetter and flywheel/clutch assembly. | 23th Nov 1932 | Box 169 \ 4 img168 | |
| Specification revision for a Peregrine II - No.5 unit, comparing previous and revised part lists. | 23th Nov 1932 | Box 169 \ 4 img169 | |
| Request to fit a standard clutch in place of the existing Borg & Beck type on a unit undergoing repairs. | 8th Dec 1932 | Box 169 \ 4 img170 | |
| Instructions to fit new rings and a camshaft to Peregrine Unit No. 5 to confirm improvements in oil consumption. | 5th Apr 1933 | Box 169 \ 4 img171 | |
| Revised specification for Peregrine No. 5 unit, detailing part modifications and fitting dates. | 12th May 1933 | Box 169 \ 4 img172 | |
| Specification revision for the Peregrine No. 5 Unit, detailing changes to the camshaft timing. | 25th May 1933 | Box 169 \ 4 img173 | |
| The fitting of piston rings to the Peregrine No. 5 unit. | 25th May 1933 | Box 169 \ 4 img174 | |
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