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Locomotive Test Report, BTC Bulletin No 19, Co-Co deltic diesel electric loco, Two Napier Deltic 2-stroke engines, September 1956. (NRM Technical Archive reference TEST/DIESEL/8)

Locomotive Test Report, BTC Bulletin No 19, Co-Co deltic diesel electric loco, Two Napier Deltic 2-stroke engines

1956
Locomotive test report, British Railways Report E229, Class 5, 4-6-0, No 73031, test for the effect of speed and steam temperature on the cylinder performance of steam locomotives, including the use of auxiliary electrical superheater, June 1959, Rugby. (NRM Technical Archive Reference TEST/BR/5)

Locomotive test report, British Railways Report E229, Class 5, 4-6-0, No 73031

1959
Report of the Locomotive Testing Committee on the Locomotive Interchange Trials 1948, 125 pages. (NRM Technical Archive reference TEST/BR/10)

Report of the Locomotive Testing Committee on the Locomotive Interchange Trials 1948

1948
Locomotive test report, British Railways London Midland Region Test Report No. 94, Classes: 5P5F 4-6-0 No. 44757 (Caprotti valve gear - twin blast pipe), No. 44764 (Walschaert valve gear - single blast pipe), No. 44766 (Walschaert valve gear - twin blast pipe), No. 44767 (Stephenson valve gear - twin blast pipe), test for performance and efficiency of locomotives fitted with different valve gear, probably at Rugby, July and August 1949, 74 pages, 3 diagrams, 1 graph. (NRM Technical Archive reference TEST/LMS/16)

Locomotive test report, British Railways London Midland Region Test Report No. 94

1949
Locomotive test report, Railway Executive Report R7, B1 4-6-0 No 61353, testing performance and efficiency, June 1953, Rugby. (NRM Technical Archive Reference TEST/LNER/6)

Locomotive test report, Railway Executive Report R7, B1 4-6-0 No 61353

1953
Locomotive test report, British Railways BTC Test Bulletin No 5, Class 7 Mixed Traffic 4-6-2, No 70005 and 70025, performance and efficiency tests with exhaust steam injector, two kinds of coal compared, April 1953, Rugby. (NRM Technical Archive Reference TEST/BR/6)

Locomotive test report, British Railways BTC Test Bulletin No 5, Class 7 Mixed Traffic 4-6-2, No 70005 and 70025

1953
Locomotive test report, British Railways Report L102, Class 9 2-10-0, No 92013, performance and efficiency, limited use to supplement exhaust steam injector, August 1955, Derby. (NRM Technical Archive Reference TEST/BR/8)

Locomotive test report, British Railways Report L102, Class 9 2-10-0, No 92013

1955
Locomotive test report, Railway Executive, Report No M3, Merchant Navy 4-6-2 No 35005, tests of performance and efficiency with mechanical stoker, 25 August 1950, Derby. (NRM Technical Archive Reference TEST/SR/1)

Locomotive test report, Railway Executive, Report No M3, Merchant Navy 4-6-2 No 35005

1950
Locomotive Test Report, British Transport Commission, 4-8-4 Diesel-Mechanical locomotive No 10100, Fell transmission system. (NRM Technical Archive Reference TEST/DIESEL/10)

Locomotive Test Report, British Transport Commission, 4-8-4 Diesel-Mechanical locomotive No 10100, Fell transmission system.

1955
Locomotive test report, LMS Report No 84, Performance and efficiency, 2 cylinder 2-6-4T No 2648, 2cylinder 2-6-4T No 2207, Special technical features list self-cleaning smokebox, May 1946. (NRM Technical Archive reference TEST/LMS/24)

Locomotive test report, LMS Report No 84, Performance and efficiency, 2 cylinder 2-6-4T No 2648, 2cylinder 2-6-4T No 2207

1946
Locomotive test report, British Railways London Midland Region Bulletin No 3, Performance and efficiency tests with live steam injector, Class 4 2 cylinder 2-6-0 mixed traffic locomotive No 43094, October 1951. BR 10800. (NRM Technical Archive reference TEST/LMS/13)

Locomotive test report, British Railways London Midland Region Bulletin No 3

1951
Locomotive test report, British Railways, Rugby Report R18, Class 9 2-10-0, No 92250 (normal blast pipe) and 92250 (fitted with Giesl ejector), comparison of locomotives with normal blast pipes and with Giesl ejector, using low grade coal, September 1959, Rugby. (NRM Technical Archive Reference TEST/BR/9)

Locomotive test report, British Railways, Rugby Report R18, Class 9 2-10-0

1959
Locomotive test report, LMS Report No. 86, Dynamometer Car Tests, Southport-Manchester-Southport, Central Division, 2 cylinder 2-6-4T No. 2230, To ascertain the effect of self-cleaning smokebox on performance, July 1946.

LMS Report No 86, 2-6-4T No 2230

1946
Locomotive test report, British Transport Commission (London Midland Region) Report L129, locomotive class superheated 4F 0-6-0 No. 44481, performance and efficiency: comparison with 4-6-0 locomotives, November 1959, Derby, 7 pages of text, 8 diagrams. (NRM Technical Archive reference TEST/LMS/11)

Locomotive test report, British Transport Commission (London Midland Region) Report L129

1959
Locomotive test report, BR London Midland Region, Report R16, English Electric Gas Turbine Locomotive, No number of Locomotive [Known as GT3], Was owned by English Electric, Purpose of test, To test incomplete locomotive at Rugby Testing Station, Special features, Gas turbine locomotive, February 1959, Origin Rugby, Edition contains text, 15 photographs, 4 diagrams, 2 graphs, 6 dimensions, yellow binding.

Locomotive Test Report, English Electric GT3

1959
Locomotive test report, British Railways (Midland Region) Test Report No. M2, Class 5MT 4-6-0 No. 44764, performance and efficiency test, to gain experience in the use of the Mobile Test Plant, technical feature: roller bearings, Derby, August 1949, 11 pages, 3 diagrams, 19 graphs. (NRM Technical Archive reference TEST/LMS/17)

Locomotive test report, British Railways (Midland Region) Test Report No. M2, Class 5MT 4-6-0 No. 4476

1949
Locomotive test report, British Railways BTC Test Bulletin No 10, Merchant Navy 4-6-2 No 35022, tests of performance and efficiency with thermic syphons, single and multiple blast pipes, January 1954, Rugby and Derby. (NRM Technical Archive Reference TEST/SR/1)

Locomotive test report, British Railways BTC Test Bulletin No 10, Merchant Navy 4-6-2 No 35022

1954
Locomotive test report, No 92 Performance and efficiency, British Railways (London Midland Region) class 4F 2-6-0, No 43027, When working to Class 4 passenger timings, Special features twin blast pipes, April 1949. (NRM Technical Archive Reference TEST/LMS/13)

Locomotive test report, No 92 Performance and efficiency, British Railways (London Midland Region) class 4F 2-6-0, No 43027

1949
Locomotive test report, British Railways Engineer's Department Bulletin No 1, Hall 4-6-0, No 7916, test for performance and efficiency with exhaust steam injector, May 1951, Swindon. (NRM Technical Archive Reference TEST/GWR/6)

Locomotive test report, British Railways Engineer's Department Bulletin No 1, Hall 4-6-0, No 7916

1951
Locomotive test report, British Railways Western Region, Report W17, Manor 4-6-0, No 7818, test for steaming and efficiency with live steam injector, March 1952, Swindon.

Locomotive test report, British Railways Western Region, Report W17, Manor 4-6-0 No 7818

1952
Locomotive test report, LMS Report No 50, Performance and efficiency, Class 5X 3 cylinder 4-6-0 No 5540 parallel boiler, Class 5X 3 cylinder 4-6-0 No5517 parallel boiler, Class 5X 3 cylinder 4-6-0 No 5553 taper boiler, Class 5X 3 cylinder 4-6-0 No 5554 taper boiler, To study capabilities of 3 cylinder 4-6-0 locomotives working accelerated passenger timings, July 1935. (NRM Technical Archive reference TEST/LMS/19)

Locomotive test report, LMS Report No 50, Performance and efficiency, Class 5X 3 cylinder 4-6-0

1935
Locomotive test report, British Railways Report L97, Class 7, 4-6-2, No 70000, Dynamometer Car tests, Crewe-Carlisle route, January 1951, London Midland Region Loco Drawing Office. (NRM Technical Archive Reference TEST/BR/6)

Locomotive test report, British Railways Report L97

1951
Locomotive test report, LMS Report No. 61, Class 7 4-6-2 No 6202 (Turbomotive), Class 7 4-6-2 No 6212 (Standard reciprocating), Purpose of test, To compare performance and efficiency of "Turbomotive" with that of a standard pacific, Special technical features, Turbine driven engine, August 1936, Origin Derby, Edition contains text, 5 photographs, 0 diagram, 5 tables, 9 dimensions, Existing catalogue number TEST/LMS/21, This report also includes an earlier report (July 1935) concerning performance of turbomotive only (3 pages, 3 tables).

LMS Report No. 61

1936
Locomotive test report no 93, Performance and efficiency, British Railways (London Midland Region) class 4F, 2 cylinder 2-6-0, No 43027, When working to Class 4 passenger timings, Special features single blast pipe, May 1949. (NRM Technical Archive Reference TEST/LMS/13)

Locomotive test report No 93, Performance and efficiency, British Railways (London Midland Region) class 4F, 2 cylinder 2-6-0, No 43027

1949
Locomotive Test Report, BTC report E 62, Co-Co deltic diesel electric locomotive, No 9001, Two Napier Deltic 2-stroke engines, March 1961, High-speed trial. (NRM Technical Archive reference TEST/DIESEL/8)

Locomotive Test Report, BTC report E 62, Co-Co deltic diesel electric locomotive, No 9001

1961
Locomotive test report, British Railways Western Region Report W54, Class 8 4-6-2, No 71000, mathematical study of heat transfer in locomotive boilers, November 1955, Swindon. (NRM Technical Archive Reference TEST/BR/7)

Locomotive test report, British Railways Western Region Report W54, Class 8 4-6-2, No 71000

1953
Locomotive test report, British Railways North Eastern Region, B1 4-6-0 No 61035 and 61016, to investigate the effect of extra counterbalance of reciprocating parts, December 1954, Darlington. (NRM Technical Archive Reference TEST/LNER/6)

Locomotive test report, British Railways North Eastern Region, B1 4-6-0 No 61035 and 61016

1954
Locomotive test report, British Railways BTC Test Bulletin No 20, Merchant Navy 4-6-2 No 35020, tests of performance and efficiency with conventional valve gear in place of original design, undated. (NRM Technical Archive Reference TEST/SR/1)

Locomotive test report, British Railways BTC Test Bulletin No 20, Merchant Navy 4-6-2 No 35020

Locomotive test report, Southern Railway, Report No 89, West Country 4-6-2 No 21C156, tests of performance and efficiency, undated, Derby. (NRM Technical Archive Reference TEST/SR/1)

Locomotive test report, Southern Railway, Report No 89

Locomotive test report, BR London Midland Region, Report R163, English Electric Gas Turbine Locomotive, No GT3, Purpose of test, Purpose of test, Performance and efficiency, Special features, Gas turbine locomotive, February 1962, Origin Derby, Edition contains text, 3 photographs, 0 diagrams, 1 graphs, 0 dimensions, Yellow binding.

Locomotive Test Report, English Electric GT3

1962
Locomotive test report no 93, Performance and efficiency, British Railways (London Midland Region) class 4F, 2 cylinder 2-6-0, No 43027, When working to Class 4 passenger timings, Special features single blast pipe, May 1949. (NRM Technical Archive Reference TEST/LMS/13)

Locomotive test report No 93, Performance and efficiency, British Railways (London Midland Region) class 4F, 2 cylinder 2-6-0, No 43027

1949
Locomotive test report, British Railways (London Midland Region) Test Report No. L100 Part 2, Class 5MT 4-6-0 No. 44981 (new condition), performance and efficiency testing, economics of train operation, Derby, February 1958, 4 pages, 19 graphs. (NRM Technical Archive reference TEST/LMS/17)

Locomotive test report, British Railways (London Midland Region) Test Report No. L100 Part 2

1958
Locomotive test report, LMS Report No. 64, Class 7 4-6-2 No 6202 (Turbomotive), Class 7 4-6-2 No 6210 (Standard reciprocating), Purpose of test, To compare performance and efficiency of "Turbomotive" with that of a standard pacific, Special technical features, Turbine driven locomotive, October1936, Origin Derby, Edition contains text, 6 photographs, 0 diagram, 5 tables, 3 dimensions, Existing catalogue number TEST/LMS/21, This report also includes an earlier report (July 1935) concerning performance of turbomotive only (3 pages, 3 tables).

LMS Report No. 64

1936
Locomotive test report, LMS Report No 29, Performance and efficiency, Horwich 4-6-4T No11112, Standard 2-6-2T No2371, to compare performance and efficiency of two classes of engine, September 1930. (NRM Technical Archive reference TEST/LMS/24)

Locomotive test report, LMS Report No 29

1930
Locomotive test report, LMS Report No 15, Performance and efficiency, 2-6-0 + 0-6-2 Garratt No 4998, Class 4 0-6-0 (Superheated) No3945, Class 4 0-6-0 (Superheated) No3946, Class 3 0-6-0 (Saturated) No3756, To compare the performance of a Beyer Garratt with standard freight engines working in pairs, April 1928. (NRM Technical Archive reference TEST/LMS/25)

Locomotive test report, LMS Report No 15

1928
Locomotive test report, British Railways BTC Test Bulletin No 15, Class 8 4-6-2, No 71000, performance and efficiency, two kinds of coal compared, Caprotti rotary valve gear, 1957, Swindon. (NRM Technical Archive Reference TEST/BR/7)

Locomotive test report, British Railways BTC Test Bulletin No 15, Class 8 4-6-2, No 71000

1957
Locomotive Test Report, British Transport Commission, British Railways, L122, 2-D-2 diesel-mechanical locomotive No 10100, Performance and efficiency, Fell transmission system. (NRM Technical Archive Reference TEST/DIESEL/10)

Locomotive Test Report, L122, 2-D-2 diesel-mechanical locomotive No 10100, Performance and efficiency, Fell transmission system.

1959
Locomotive test report, British Railways (London Midland Region) Test Report, Class 5MT 4-6-0 No. 44764, performance and efficiency testing at constant speed, Derby, November to December 1950, 8 pages, 9 graphs. (NRM Technical Archive reference TEST/LMS/17)

Locomotive test report, British Railways (London Midland Region) Test Report, Class 5MT 4-6-0 No. 44764

1950
Locomotive test report, British Rail, North Eastern Region, A1 4-6-2 No 60114 and A2 4-6-2 No 60539, a comparison of A1 and A2 locomotives, May 1949, Darlington. (NRM Technical Archive Reference TEST/LNER/7)

Locomotive test report, British Railways, North Eastern Region, A1 4-6-2 No 60114 and A2 4-6-2 No 60539

1949
Locomotive test report, London Midland Region, British Railways Report L.108, Class 9 2-10-0, No 92023 ("Crosti" boiler) and 92050 (Standard boiler), to compare performance and efficiency of locomotives with "Crosti" boilers and standard boilers, May 1956, Rugby. (NRM Technical Archive Reference TEST/BR/9)

Locomotive test report, London Midland Region, British Railways Report L.108, Class 9 2-10-0

1956
Locomotive test report, Southern Railway, Report No 88, Merchant Navy 4-6-2 No 21C13, West Country 4-6-2 No 21C140, CoCo Electric locomotive No CC1, dynomometer car tests of performance, January 1947, Derby. (NRM Technical Archive Reference TEST/SR/1)

Locomotive test report, Southern Railway, Report No 88

1947
Locomotive test report, British Railways, London Midland Region Report LMS/2/6 Performance and efficiency, Class 4MT 2-6-0 No 43027, Economical locomotive performance, May 1952. (NRM Technical Archive reference TEST/LMS/13)

Locomotive test report, British Railways, London Midland Region Report LMS/2/6 Performance and efficiency, Class 4MT 2-6-0 No 4302

1952
Locomotive test report, British Railways Locomotive Testing Committee, Report W16, Hall 4-6-0 No 6988, test for economical performance, May 1952, Swindon. (NRM Technical Archive Reference TEST/GWR/6)

Locomotive test report, British Railways Locomotive Testing Committee, Report W16, Hall 4-6-0 No 6988

1952
Locomotive test report, LMS Report No53, Performance and efficiency, Class 5X 3cylinder 4-6-0 No5645 taper boiler, Class 5X 3 cylinder 4-6-0 No5646 taper boiler, Class 5X 3 cylinder 4-6-0 No 5556 taper boiler, Class 5X 3 cylinder 4-6-0 No 5518 parallel boiler, Class 5X 3 cylinder 4-6-0 No 5525 parallel boiler, To compare performance of parallel boiler and taper boiler engines, April 1935 (NRM Technical Archive reference TEST/LMS/19)

Locomotive test report, LMS Report No 53, Performance and efficiency, Class 5X 3 cylinder 4-6-0

1935
Locomotive test report, LMS Western Division report 42, Performance and efficiency, Standard 2-6-0 No 13129 (Lentz gear), Standard 2-6-0 No 13161 (Walschaert gear), To compare performance and efficiency of locomotives fitted either with Lentz valve gear or with Walschaerts gear, Special technical features list Lentz valve gear, April and May 1933

LMS Western Division report 42

1933
Locomotive test report, British Railways (London Midland Region) Test Report No. L.19, Class 5MT 4-6-0 No. 44987, No. 44988, No. 44985, No. 44964 performance and efficiency testing, trials of locomotives in 'run down' condition, Derby, December 1954, 12 pages, 4 photographs, 1 diagram, 35 graphs [also contains results for 44981 in good condition from report L100 part 1]. (NRM Technical Archive reference TEST/LMS/18)

Locomotive test report, British Railways (London Midland Region) Test Report No. L.19

1954
Locomotive test report, British Railways Report L104, Class 9 2-10-0, No 92009 and 92018, ability of the locomotive to haul specified loads to class "C" timing, April 1955, Derby. (NRM Technical Archive Reference TEST/BR/8)

Locomotive test report, British Railways Report L104, Class 9 2-10-0, No 92009 and 92018

1955
Locomotive test report, LMS Report No. 52, Class 7 (Princes Royal) 4-6-2 No 6200, Class 6 (Royal Scot) 4-6-0 No 6158, Class 6 (Royal Scot) 4-6-0 No 6117, Purpose of test, To compare various kinds of coal used on two types of express engine, March 1935, Origin Derby, Edition contains text, 4 photographs, 0 diagram, 2 tables, 6 dimensions.

LMS Report No. 52

1935
Locomotive test report, British Railways BTC Test Bulletin No 13, Class 9 2-10-0, No 92013 and 92050, performance and efficiency tests of exhaust steam injector, July 1959, Rugby and Derby. (NRM Technical Archive Reference TEST/BR/8)

Locomotive test report, British Railways BTC Test Bulletin No 13, Class 9 2-10-0, No 92013 and 92050

1959
Locomotive test report, LMS Report No. 71, Class 7P 4-6-2 No 6202 (Turbomotive), Purpose of test, To investigate coal and water consumption of "Turbomotive", Special technical features, Turbine driven locomotive, June 1937, Origin Derby, Edition contains text, 3 photographs, 0 diagram, 4 tables, 1 dimensions, Existing catalogue number TEST/LMS/21,

LMS Report No. 71

1937