| Description | Date | Identifier | |
| Outside patent searches and applications for the week ending October 12th, 1939. | 12th Oct 1939 | Box 147 \ 2 scan0103 | |
| Report by Claremont Haynes & Co. on outside patent searches, listing specifications open to public inspection. | 12th Oct 1939 | Box 147 \ 2 scan0104 | |
| Weekly report on outside patent searches by Claremont Haynes & Co. | 19th Oct 1939 | Box 147 \ 2 scan0105 | |
| Cover letter for lists of British patent searches, specifications, and applications for both chassis and aero. | 30th Oct 1939 | Box 147 \ 2 scan0106 | |
| Report by Claremont Haynes & Co. on outside patent searches listing available specifications. | 26th Oct 1939 | Box 147 \ 2 scan0107 | |
| Report by Claremont Haynes & Co. on outside patent searches and applications for the week. | 19th Oct 1939 | Box 147 \ 2 scan0108 | |
| Report by Claremont Haynes & Co. on outside patent searches, listing specifications open for public inspection. | 26th Oct 1939 | Box 147 \ 2 scan0109 | |
| Distributing the results of British patent searches to various departments. | 7th Nov 1939 | Box 147 \ 2 scan0110 | |
| Patent search report by Claremont Haynes & Co. listing newly available specifications. | 2nd Nov 1939 | Box 147 \ 2 scan0111 | |
| Outside patent applications by Claremont Haynes & Co for the week ending 26th October 1939. | 26th Oct 1939 | Box 147 \ 2 scan0112 | |
| List of patent applications with corresponding numbers, patentees, and titles. | 2nd Nov 1939 | Box 147 \ 2 scan0113 | |
| Report by Claremont Haynes & Co. on patent specifications open for public inspection for the week ending 2nd November 1939. | 2nd Nov 1939 | Box 147 \ 2 scan0114 | |
| List of two patents with their respective patentees and titles. | 14th Nov 1939 | Box 147 \ 2 scan0115 | |
| Distributing the results of British patent searches to various departments. | 14th Nov 1939 | Box 147 \ 2 scan0116 | |
| Report by Claremont Haynes & Co. on outside patent searches and specifications. | 9th Nov 1939 | Box 147 \ 2 scan0117 | |
| Report by Claremont Haynes & Co. on outside patent applications for the week ending 2nd November 1939. | 2nd Nov 1939 | Box 147 \ 2 scan0118 | |
| Report by Claremont Haynes & Co. on outside patent searches for specifications not yet publicly available. | 9th Nov 1939 | Box 147 \ 2 scan0119 | |
| The distribution of British patent search results for chassis, aero, and alloys. | 21th Nov 1939 | Box 147 \ 2 scan0120 | |
| Report from Claremont Haynes & Co. on outside patent searches. | 16th Nov 1939 | Box 147 \ 2 scan0121 | |
| Patent record for driving arrangements and beryllium alloys. | 9th Nov 1939 | Box 147 \ 2 scan0122 | |
| Report from Claremont Haynes & Co. detailing patent applications for the week ending 9th November 1939. | 9th Nov 1939 | Box 147 \ 2 scan0123 | |
| Notice regarding the confidentiality of information until applications are completed and published. | 16th Nov 1939 | Box 147 \ 2 scan0124 | |
| Outside patent searches listing specifications open to public inspection. | 16th Nov 1939 | Box 147 \ 2 scan0125 | |
| Letter to the Air Ministry concerning a new magnetic alloy with military applications for bullets, torpedoes, and defence against magnetic mines. | 23th Nov 1939 | Box 147 \ 2 scan0126 | |
| Copy of a letter from the British Legation in Berne confirming a decision on a proposal. | 22th Jan 1940 | Box 147 \ 2 scan0127 | |
| Letter from the Geneva Military Department authorizing Mr. Raoul Siegrist to continue tests of new bullets at the Cartigny shooting range. | 31th Aug 1939 | Box 147 \ 2 scan0128 | |
| The properties and military applications of a new magnetic amalgam named 'ASSA'. | 31th Aug 1939 | Box 147 \ 2 scan0129 | |
| The military, medical, and industrial applications of a new magnetic amalgam named 'ASSA'. | 11th Feb 1939 | Box 147 \ 2 scan0130 | |
| Reminding staff about the importance of provisionally patenting new ideas. | 11th Feb 1939 | Box 147 \ 2 scan0131 | |
| Results of British patent searches, divided between chassis and aero departments. | 5th Dec 1939 | Box 147 \ 2 scan0132 | |
| Outside patent searches by Claremont Haynes & Co. listing various patent specifications. | 30th Nov 1939 | Box 147 \ 2 scan0133 | |
| List of patent specifications with their numbers, patentees, and titles. | 23th Nov 1939 | Box 147 \ 2 scan0134 | |
| Report by Claremont Haynes & Co. listing outside patent applications for the week ending 23rd November 1939. | 23th Nov 1939 | Box 147 \ 2 scan0135 | |
| Report by Claremont Haynes & Co. on outside patent searches for specifications open to public inspection. | 30th Nov 1939 | Box 147 \ 2 scan0136 | |
| Distributing the results of British patent searches into three groups: chassis, aero, and alloys. | 11th Dec 1939 | Box 147 \ 2 scan0137 | |
| Outside patent searches listing specifications that have become available. | 7th Dec 1939 | Box 147 \ 2 scan0138 | |
| List of patents with their respective numbers, patentees, and titles. | 30th Nov 1939 | Box 147 \ 2 scan0139 | |
| Report by Claremont Haynes & Co. on outside patent searches, listing applications for the week ending 30th November 1939. | 30th Nov 1939 | Box 147 \ 2 scan0140 | |
| Report by Claremont Haynes & Co. on outside patent searches for specifications open to public inspection. | 7th Dec 1939 | Box 147 \ 2 scan0141 | |
| Letter discussing the details of a patent application concerning a protuberance on a piston. | 14th Dec 1939 | Box 147 \ 2 scan0142 | |
| Patent application for a protuberance on a piston. | 15th Dec 1939 | Box 147 \ 2 scan0143 | |
| Distributing the results of British patent searches for aero and chassis components. | 18th Dec 1939 | Box 147 \ 2 scan0144 | |
| Report by Claremont Haynes & Co. on outside patent searches listing specifications that became available. | 14th Dec 1939 | Box 147 \ 2 scan0145 | |
| Report by Claremont Haynes & Co. on outside patent searches. | 7th Dec 1939 | Box 147 \ 2 scan0146 | |
| List of patent applications for hydraulic power transmission and variable pitch aerial propellers. | 14th Dec 1939 | Box 147 \ 2 scan0147 | |
| Outside patent searches listing specifications not yet open to public inspection. | 14th Dec 1939 | Box 147 \ 2 scan0148 | |
| Distributing the results of British patent searches for chassis and aero specifications. | 27th Dec 1939 | Box 147 \ 2 scan0149 | |
| Outside patent searches by Claremont Haynes & Co. listing recently available specifications. | 21th Dec 1939 | Box 147 \ 2 scan0150 | |
| Report by Claremont Haynes & Co. on outside patent searches and applications for the week ending 17th December 1939. | 17th Dec 1939 | Box 147 \ 2 scan0151 | |
| List of patent applications with their numbers, patentees, and titles. | 21th Dec 1939 | Box 147 \ 2 scan0152 | |
| Weekly report by Claremont Haynes & Co. on outside patent searches and specifications open to public inspection. | 21th Dec 1939 | Box 147 \ 2 scan0153 | |
| Request to obtain patent specifications for Chrysler Corporation's power transmission for motor vehicles. | 2nd Jan 1940 | Box 147 \ 2 scan0154 | |
| Distributing the results of British patent searches. | 2nd Jan 1940 | Box 147 \ 2 scan0155 | |
| Outside patent searches by Claremont Haynes & Co. listing specifications available for a specific week. | 28th Dec 1939 | Box 147 \ 2 scan0156 | |
| Outside patent searches listing recent applications for the week. | 21th Dec 1939 | Box 147 \ 2 scan0157 | |
| Summary list of patent applications with corresponding numbers, patentees, and titles. | 3rd Jan 1940 | Box 147 \ 2 scan0158 | |
| Clarifying that certain numbers are patent application numbers, not specifications. | 3rd Jan 1940 | Box 147 \ 2 scan0159 | |
| The distribution of British patent search results by subject. | 8th Jan 1940 | Box 147 \ 2 scan0160 | |
| Report by Claremont Haynes & Co. listing newly available patent specifications. | 5th Jan 1939 | Box 147 \ 2 scan0161 | |
| List of patent numbers, patentees, and their corresponding titles. | 27th Dec 1939 | Box 147 \ 2 scan0162 | |
| Report by Claremont Haynes & Co. on outside patent searches for the week ending 27th December 1939. | 27th Dec 1939 | Box 147 \ 2 scan0163 | |
| Outside patent searches listing specifications open to public inspection for a specific week. | 5th Jan 1940 | Box 147 \ 2 scan0164 | |
| Distributing the results of British patent searches. | 16th Jan 1940 | Box 147 \ 2 scan0165 | |
| Outside patent searches by Claremont Haynes & Co. for the week ending 11th January 1940. | 11th Jan 1940 | Box 147 \ 2 scan0166 | |
| Report by Claremont Haynes & Co. on outside patent searches and applications for the week ending 4th January 1940. | 4th Jan 1940 | Box 147 \ 2 scan0167 | |
| Report by Claremont Haynes & Co. on outside patent searches for the week ending 11th January 1940. | 11th Jan 1940 | Box 147 \ 2 scan0168 | |
| Distributing the results of British patent searches. | 22th Jan 1940 | Box 147 \ 2 scan0169 | |
| Report by Claremont Haynes & Co on outside patent searches, listing specifications that have become available. | 18th Jan 1940 | Box 147 \ 2 scan0170 | |
| Patent record from Societe Francaise Hispano-Suiza concerning improvements to engine cooling radiators. | 11th Jan 1940 | Box 147 \ 2 scan0171 | |
| Outside patent search applications for the week ending 11th January 1940. | 11th Jan 1940 | Box 147 \ 2 scan0172 | |
| Report by Claremont Haynes & Co. on outside patent searches and specifications open for public inspection. | 18th Jan 1940 | Box 147 \ 2 scan0173 | |
| Technical drawing with notes on a General Motors Corporation patented spark plug insulator design, later abandoned due to breakage. | 24th Jan 1940 | Box 147 \ 2 scan0174 | |
| Cover letter regarding the submission of a complete specification and drawing for an Improved Combustion Chamber application. | 24th Jan 1940 | Box 147 \ 2 scan0175 | |
| Complete patent specification for improvements to the combustion chambers of internal combustion engines. | 21th Dec 1939 | Box 147 \ 2 scan0176 | |
| Invention to increase compression ratio and prevent detonation in internal combustion engines. | 21th Dec 1939 | Box 147 \ 2 scan0177 | |
| Page from an invention specification detailing a combustion chamber design to reduce detonation. | 21th Dec 1939 | Box 147 \ 2 scan0178 | |
| Description of a cylinder and piston design focusing on a protuberance within the combustion chamber. | 21th Dec 1939 | Box 147 \ 2 scan0179 | |
| Description of the combustion chamber design, piston crown protuberance, and valve arrangement. | 21th Dec 1939 | Box 147 \ 2 scan0180 | |
| Description of combustion chamber design and its effect on controlling detonation waves. | 21th Dec 1939 | Box 147 \ 2 scan0181 | |
| Description of a piston and combustion chamber design with reference to Letters Patent 505895. | 21th Dec 1939 | Box 147 \ 2 scan0182 | |
| Patent claims for an internal combustion engine design, specifically concerning the piston and combustion chamber. | 20th Jan 1940 | Box 147 \ 2 scan0183 | |
| List of claims for an internal combustion engine, referencing specific figures and a patent number. | 20th Jan 1940 | Box 147 \ 2 scan0184 | |
| Complete specification for improvements to the combustion chambers of internal combustion engines. | 8th Jan 1940 | Box 147 \ 2 scan0185 | |
| Blueprint showing two alternative combustion chamber and piston designs. | 1st Jan 1938 | Box 147 \ 2 scan0186 | |
| Windscreen defroster patent and requesting a copy for review. | 26th Jan 1940 | Box 147 \ 2 scan0187 | |
| Sending requested copies of patent specifications in the name of Whittle. | 26th Jan 1940 | Box 147 \ 2 scan0188 | |
| Patent specification for improvements in aircraft propulsion, specifically relating to a double thermal cycle engine. | 4th Mar 1936 | Box 147 \ 2 scan0189 | |
| Patent application by F. Whittle for improvements in aircraft propulsion systems, commonly known as jet propulsion. | 3rd Mar 1936 | Box 147 \ 2 scan0190 | |
| Patent specification for a fluid reaction propulsion system for aircraft. | 17th Feb 1937 | Box 147 \ 2 scan0191 | |
| Complete specification schematics for an aircraft propulsion system, featuring a gearbox and an early jet engine concept. | 25th Jul 1935 | Box 147 \ 2 scan0192 | |
| Patent specification for improvements relating to internal combustion turbines. | 25th Jul 1935 | Box 147 \ 2 scan0193 | |
| Patent specification by F. Whittle for improvements in internal combustion turbines, detailing compressor and turbine arrangements. | 24th Jul 1935 | Box 147 \ 2 scan0194 | |
| Patent specification for a prime mover with a two-stage, double-intake centrifugal compressor. | 24th Jul 1936 | Box 147 \ 2 scan0195 | |
| Claims section of a patent specification for a prime mover, likely a gas turbine engine. | 24th Jul 1936 | Box 147 \ 2 scan0196 | |
| Patent specification drawing showing a cross-section of a multi-stage axial-flow turbine rotor with cooled blades. | 18th May 1935 | Box 147 \ 2 scan0197 | |
| Patent specification document for improvements relating to the propulsion of aircraft. | 18th May 1935 | Box 147 \ 2 scan0198 | |
| Patent specification by Frank Whittle for improvements in aircraft propulsion systems, detailing the design of a jet engine. | 17th May 1935 | Box 147 \ 2 scan0199 | |
| Patent specification for an aircraft propulsion system, detailing the compressor, turbine, and combustion components. | 20th Apr 1936 | Box 147 \ 2 scan0200 | |
| Complete specification drawing of a gas turbine engine for aircraft propulsion. | 15th Dec 1937 | Box 147 \ 2 scan0201 | |
| Patent specification for improvements relating to turbines and compressors. | 15th Dec 1937 | Box 147 \ 2 scan0202 | |
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