| Description | Date | Identifier | |
| Petty cash refund request for the purchase of a tin of Plastic Wood. | 13th Jan 1941 | Box 176 \ 2 img324 | |
| Notice for employees regarding registration for military service. | 20th Dec 1940 | Box 176 \ 2 img325 | |
| Outlining the procedure for employees to register for Military Service in 1941. | 18th Jan 1941 | Box 176 \ 2 img326 | |
| Requesting the purpose of an invoice for Clan Foundry supplies in order to allocate it to a proper order number. | 23th Jan 1941 | Box 176 \ 2 img327 | |
| Instructing officials and superintendents to prioritize the use of the teleprinter service over the private telephone line. | 27th Jan 1941 | Box 176 \ 2 img328 | |
| Internal order for one dozen coat-hangers for the Drawing Office staff at the Clan Foundry, Belper. | 29th Jan 1941 | Box 176 \ 2 img329 | |
| Announcing a Tester's Conference. | 30th Jan 1941 | Box 176 \ 2 img330 | |
| Delayed delivery of a large drawing board, attributing the delay to enemy action. | 20th Jan 1941 | Box 176 \ 2 img331 | |
| Calling for volunteers to act as fire watchers at the Clan Foundry. | 5th Feb 1941 | Box 176 \ 2 img332 | |
| List of registered drawing office personnel and their location. | 11th Feb 1941 | Box 176 \ 2 img333 | |
| Loss of all measuring equipment for the Chassis Division and a request for purchasing replacements. | 12th Feb 1941 | Box 176 \ 2 img334 | |
| To all officials regarding the misuse of priority telephone calls, quoting a letter from the Post Office. | 15th Feb 1941 | Box 176 \ 2 img335 | |
| The urgent welding of frost-damaged filter boxes for the test bed at Clan Foundry. | 21th Feb 1941 | Box 176 \ 2 img336 | |
| Appeal for employees to join the Hospital Fund Association. | 4th Feb 1941 | Box 176 \ 2 img337 | |
| Notice encouraging staff to join the Hospital Fund Association. | 4th Feb 1941 | Box 176 \ 2 img338 | |
| Letter to The Chatwood Safe Co. chasing an order for fireproof containers. | 24th Feb 1941 | Box 176 \ 2 img339 | |
| Letter concerning a delayed order for two fireproof containers due to a Limitation of Supplies Order and the requirement for government authority. | 26th Feb 1941 | Box 176 \ 2 img340 | |
| Letter to The Chatwood Safe Co. Ltd. regarding a decision not to proceed with an order for fireproof containers. | 28th Feb 1941 | Box 176 \ 2 img341 | |
| Short memo taken from a phone call about the dispatch of a pump and strainer boxes. | 24th Feb 1941 | Box 176 \ 2 img342 | |
| List of urgently required parts for Clan Foundry, Belper, Dept. 181. | 27th Jan 1941 | Box 176 \ 2 img343 | |
| List of urgently required engine parts, categorized by system. | 14th Jan 1941 | Box 176 \ 2 img344 | |
| Proposed layout and floor space for the Chassis Garage, Fitters, and Stores. | 6th Mar 1941 | Box 176 \ 2 img345 | |
| Drawing with section view markers. | 7th Mar 1921 | Box 176 \ 2 img346 | |
| Blueprint for a proposed post at a scale of 1/4 inch to 1 foot. | 7th Mar 1921 | Box 176 \ 2 img347 | |
| Blueprint showing the proposed position and floor area for a chassis stores. | 7th Mar 1921 | Box 176 \ 2 img348 | |
| Blueprint with area measurements for the location of Chassis Stores and a Garage. | 7th Mar 1921 | Box 176 \ 2 img349 | |
| Blueprint showing the layout for the Chassis Stores. | 7th Mar 1921 | Box 176 \ 2 img350 | |
| Blue folder cover or drawing labeled for the Gage Fitters Bay. | 7th Mar 1921 | Box 176 \ 2 img351 | |
| Blueprint folder or cover sheet with a handwritten reference number. | 7th Mar 1921 | Box 176 \ 2 img352 | |
| Folded blueprint cover with a reference number in the title block. | 13th Jan 1941 | Box 176 \ 2 img353 | |
| To Mr. Brackett requesting the forwarding of a Satchwell Immersion Thermostat and a Type 1010 Contactor. | 13th Jan 1941 | Box 176 \ 2 img354 | |
| Millwright's requisition to repair a leaking radiator pipe. | 14th Mar 1941 | Box 176 \ 2 img355 | |
| The relocation of a hut from Park Leys to Clan Foundry. | 19th Mar 1941 | Box 176 \ 2 img356 | |
| Instructing clerical staff on the correct procedure for taking telephone messages. | 24th Mar 1941 | Box 176 \ 2 img357 | |
| Programme of musical and comic performances for a Clan Foundry event. | 21th Mar 1941 | Box 176 \ 2 img358 | |
| Letter to Ryland's Directory requesting the removal of the Clan Foundry, Belper, from their publication due to its use for secret government work. | 20th Mar 1941 | Box 176 \ 2 img359 | |
| Letter from Ryland's Directory requesting an update of business particulars for a new edition. | 17th Mar 1941 | Box 176 \ 2 img360 | |
| Follow-up memorandum regarding an urgent request for four Hamburg Hallmark drawing boards. | 25th Mar 1941 | Box 176 \ 2 img361 | |
| Internal request to place an order for index filing cards and tab cards with a printer. | 28th Mar 1941 | Box 176 \ 2 img362 | |
| Notice about a complaint regarding trespassing and damaging a field used for grazing. | 16th Apr 1941 | Box 176 \ 2 img363 | |
| Complaint letter regarding employees using a rented field for football. | 8th Apr 1941 | Box 176 \ 2 img364 | |
| Purchase request for tins of grey lead paint and chrome green paint. | 18th Apr 1941 | Box 176 \ 2 img365 | |
| £120 cost for four Hall Mark drawing boards, requesting a formal written order. | 27th Mar 1941 | Box 176 \ 2 img366 | |
| Removal of a hut from Park Leys to CLMN and the required finishing works. | 17th Apr 1941 | Box 176 \ 2 img367 | |
| Requesting four drawing boards and referencing the use of draughtsmen from Leyland Motors Ltd. | 17th Apr 1941 | Box 176 \ 2 img368 | |
| Order to Lette & Sons Ltd for 200 evergreen privet hedges to be delivered to the Clan Foundry, Belper. | 19th Apr 1941 | Box 176 \ 2 img369 | |
| Petty cash refund request for the purchase of corks at Clan Foundry, Belper. | 24th Apr 1941 | Box 176 \ 2 img370 | |
| Internal order request for 2-drawer index card filing cabinets for the Clan Foundry Offices. | 25th Apr 1941 | Box 176 \ 2 img371 | |
| Request for a cupboard to be made for storing body parts and accessories, referencing print MB.140. | 28th Apr 1941 | Box 176 \ 2 img372 | |
| Request to obtain a roll of linen-backed drawing paper from a supplier named Reynolds. | 5th May 1941 | Box 176 \ 2 img373 | |
| Request for two ordinary mail baskets for the Body Design Department of the Clan Foundry. | 8th May 1941 | Box 176 \ 2 img374 | |
| Mr. Allison's position as Senior Inspector at Clan Foundry. | 4th Jun 1941 | Box 176 \ 2 img375 | |
| Confirmatory order to Messrs R.B. Butler Ltd. for various office furniture items. | 27th May 1941 | Box 176 \ 2 img376 | |
| Quotation from D.S. Butler Ltd. for office equipment and supplies. | 27th May 1941 | Box 176 \ 2 img377 | |
| To officials and foremen regarding the mandatory registration of women born in 1918. | 29th May 1941 | Box 176 \ 2 img378 | |
| Blank registration form for women, likely for employment purposes. | 21th May 1941 | Box 176 \ 2 img379 | |
| Notice regarding compulsory registration for Civil Defence duties under the Emergency Powers Acts. | 21th May 1941 | Box 176 \ 2 img380 | |
| Engine repair capacity for Kestrel, Vulture, and Merlin engines at the Clan Foundry and other locations. | 18th Jun 1941 | Box 176 \ 2 img381 | |
| Confirming a conversation about Vulture and Peregrine repairs to be assisted by the Clan Foundry. | 21th Jun 1941 | Box 176 \ 2 img382 | |
| Arrangements for the Clan Foundry to take over Kestrel, Peregrine, and Vulture engine repairs. | 28th May 1941 | Box 176 \ 2 img383 | |
| To the watchman listing the names and car registration numbers permitted to park at the front gate. | 1st Jul 1941 | Box 176 \ 2 img384 | |
| Arranging for parts to be made by Smedley Bros. Ltd. and requesting other parts for jig drilling. | 1st Jul 1941 | Box 176 \ 2 img385 | |
| Letter to the Derby Gas Co. Ltd. requesting the disconnection of a hot water geyser and meter at the Clan Foundry canteen. | 1st Jul 1941 | Box 176 \ 2 img386 | |
| Potential sites and costs for a new dynamometer at the Clan Foundry. | 3rd Jul 1941 | Box 176 \ 2 img387 | |
| Office alterations at the Clan Foundry to accommodate Park Leys staff. | 12th Jul 1941 | Box 176 \ 2 img388 | |
| Urgent order request for four 'Hall-Mark' drawing tables for the Clan Foundry Drawing Office. | 22th Apr 1941 | Box 176 \ 2 img389 | |
| Appointment of a Senior Inspector at Clan Foundry, Belper, and related staffing arrangements. | 2nd Jun 1941 | Box 176 \ 2 img390 | |
| Requesting the urgent installation of shelves for a newly occupied office in the Clan experimental area. | 23th Jul 1941 | Box 176 \ 2 img391 | |
| Inspection visit to the Clan Foundry. | 31th Jul 1941 | Box 176 \ 2 img392 | |
| Confirming the urgent requirement for extra and revised lighting at the Clan Experimental Design Office due to a staff relocation. | 31th Jul 1941 | Box 176 \ 2 img393 | |
| Forthcoming Ministry of Labour inspection to investigate labour utilization across several departments. | 1st Sep 1941 | Box 176 \ 2 img394 | |
| Comparison of floor space allocation across three different manufacturing and support sites. | 16th Jan 1941 | Box 176 \ 2 img395 | |
| Listing staffing areas and engine production capacity. | 10th Jun 1941 | Box 176 \ 2 img396 | |
| List of required equipment for an inspection job to be carried out at the Clan Foundry. | 10th Jun 1941 | Box 176 \ 2 img397 | |
| Notice prohibiting employees from using company premises to repair their personal vehicles without written permission. | 1st Sep 1941 | Box 176 \ 2 img398 | |
| Internal order for various trestles to be made for the Clan Foundry. | 12th Jun 1941 | Box 176 \ 2 img399 | |
| Notice warning against the theft of petrol from motorcycles parked at the Clan Foundry. | 4th Sep 1941 | Box 176 \ 2 img400 | |
| Visit report to Taylor Brothers Ltd. in Manchester regarding the supply of steel, barrel forgings, and machinery. | 18th Jun 1940 | Box 176 \ 3 img001 | |
| Conference notes on the design and production of a 40mm gun for aerodrome defence. | 24th Jun 1940 | Box 176 \ 3 img002 | |
| Meeting notes on gun barrel physical tests, design decisions, and approval for aerodrome defence. | 28th Jun 1940 | Box 176 \ 3 img003 | |
| Directive on separating guns and mountings into distinct units and establishing drawing prefix letters. | 29th Jun 1940 | Box 176 \ 3 img004 | |
| Letter chasing the Air Ministry for material release for 13.2 and 40 mm gun production. | 1st Jul 1940 | Box 176 \ 3 img005 | |
| Letter to Sir Charles Craven regarding the urgency of 13.2 and 40mm guns for aerodrome defence. | 1st Jul 1940 | Box 176 \ 3 img006 | |
| Notes on a visit by Sir John Salmon and Mr. MacDonald regarding 13.2 mm and 40 mm gun production. | 1st Jul 1940 | Box 176 \ 3 img007 | |
| Letter inquiring about the supply of turned steel bars to specific material specifications from an alternative source. | 18th Jul 1940 | Box 176 \ 3 img008 | |
| Letter from Taylor Bros. & Co Ltd concerning the supply of 9 inch diameter turned steel bars. | 23th Jul 1940 | Box 176 \ 3 img009 | |
| Letter discussing the potential for Taylor Bros. of Manchester to produce 9' diameter cylinder liner steel bars. | 25th Jul 1940 | Box 176 \ 3 img010 | |
| Page 2 of a letter regarding persuading Mr. Robert Taylor on a matter and noting interest from Messrs. Rotol for bar forgings. | 26th Jul 1940 | Box 176 \ 3 img011 | |
| Outlining procedures for handling blueprints and drawings following the addition of a Production Department. | 26th Jul 1940 | Box 176 \ 3 img012 | |
| Suggested allocation and issuance procedures for gun production drawings. | 26th Jul 1940 | Box 176 \ 3 img013 | |
| Letter from the Admiralty concerning the procurement of American machines for 40mm gun production. | 29th Jul 1940 | Box 176 \ 3 img014 | |
| List of queries concerning the mounting of 40mm Mark V guns onto an Oerlikon Mounting, specifically regarding the armoured shield, sights, and shoulder rest. | 30th Jul 1940 | Box 176 \ 3 img015 | |
| List of queries regarding the design and operational features of a gun mounting, including dampers, ammunition storage, and crew positions. | 30th Jul 1940 | Box 176 \ 3 img016 | |
| Letter to the Admiralty regarding the purchase of American machine tools for 40mm gun barrel production. | 3rd Aug 1940 | Box 176 \ 3 img017 | |
| Notes from a conference with the Admiralty concerning a contract for a gun. | 4th Aug 1940 | Box 176 \ 3 img018 | |
| Meeting minutes discussing the planning and logistics of gun and barrel production using subcontractors. | 5th Aug 1940 | Box 176 \ 3 img019 | |
| Meeting minutes discussing gun forging, materials, and mounting production. | 8th Aug 1940 | Box 176 \ 3 img020 | |
| Meeting discussing the challenges of gun production, including sub-contracting, machine tools, and barrel manufacturing. | 8th Aug 1940 | Box 176 \ 3 img021 | |
| Notes on a conference with the Admiralty regarding the urgent demand for a gun. | 5th Aug 1940 | Box 176 \ 3 img022 | |
| Report discussing gun production, material sourcing, and the design of a simple gun mounting. | 5th Aug 1940 | Box 176 \ 3 img023 | |
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