Here is a note on OTL development and how not to case premature and/or 'hyper-development' of technology. The Model-N Ford car was invented in 1907 and British Commit Tank was invented in 1943. They could have been made a few years earlier, but not decades earlier.
Gallery
Pre-1704
Invention dates.
Invention.
Date of creation.
A 100,000 t0 30,000 year old rock painting at Bhimbetka, India, whic is now a world heritage site.
A Roman glădĭus, 4th century BC - 3rd century AD type Pompeji.
The Portland Vase is a Roman cameo glass vase, currently dated to between AD 5 and AD 25
Waterweels date back to at least the 6th century, probly to Roman times to.
A European falchion of the 11th to 16th centuries.
Yuan Dynasty era waterwheels and smelting as of 1313.
A Picture of Chinese (Ming era. 1368–1644) "dao" saber.
16th-19th century Ottoman yatagans.
17th Wartburg artillery gun.
1704-1849
Invention dates.
Invention.
Date of creation.
HMS Victory was laid down in 1759.
A British 1796 pattern light cavalry sabre.
HMS Success was laid down 1781.
HMS Discovery was made in 1784.
Cannon used by Tippu Sultan's forces at the battle of Seringapatam 1799.
The French ship Bucentaure was laid down in 1803
Canon de 6 système An XI, founded in Douay in 1813, Les Invalides.
1850-1899.
Invention dates.
Invention.
Date of creation.
The steam war ship Napoleon was built in 1850.
The 10-Pounder Parrott Rifle was created in 1862.
Gatling guns were used between 1862 and 1911.
A French De Bange cannon from 1877.
LSWR 0298 Class Beattie Well Tank Engines, useng this type of tank engineering, were used between 1863 and 1875.
1900-1946.
Invention dates.
Invention.
Date of creation.
The Modle-N Ford car was invented in 1906.
March 6, 1912: Titanic (right) had to be moved out of the drydock so her sister Olympic, which had lost a propeller, could have it replaced. Their class sailed between 1911 and 1935.
It was created in 1915.
It was created in 1919.
Laivas Prezidentas Smetona was bilut in 1917.
This 'Oerlikon' electric train at Harrow and Wealdstone in 1958 was from a class that lasted from 1921 to 1960.
It was first invented in 1925.
It was first created in 1927.
The prototype Westland C.O.W. Gun Fighter was made in 1930
The de Havilland DH 82A Tiger Moth, N81DH was created in 1931.
It was first rolled out in 1932.
The Lee-Enfield No. 4 Mk I rifle was started in 1939.
The Oerlikon 20mm 85 KAA navel gun was first made in 1940.
The British Commit tank was first invented in 1943.
V-2 rockets first came in to exsistance in 1943.
It was first constructed in 1946.
1947-1999
Invention dates.
Invention.
Date of creation.
It was first constructed in 1947.
The MiG 15 was first made in 1947.
The De Havaland Commit was fist rolled out in 1949.
The BR Standard Class 2 2-6-0 Class were first built in 1952.
The Atomic Annie artillery peace was made in 1953.
The Class 501 BR trains ran between 1957 and 1985.
BR Railbus no. 79964 was made in 1958.
Cessna 172s were first devised in 1958.
The Stridsvagn 103 C (Strv 103C)was made in 1967.
HMS Apollo (F70) was built in 1969.
The Skylab Orbital Workshop was aloft in space from 1973 to 1979.
A Portuguese Air Force F-16A. The F-16 first flew in 1974 and the upgraded classes is still in use today.
The aircraft was first built in 1983.
Mir was firs assembled in 1986.
The Space Shuttle was fist lunched in 1981
The DC10 was first rolled out in 1980.
After 1999
Invention dates.
Invention.
Date of creation.
The AMX-56 Leclerc tank was first constructed in 1992.
The Ford Fusion/Mondeo was first rolled out in 1992.
It was first started in 1998.
Chiltern Clubmen were made between 1998 and 2004.
The Hellespont class was lanced in 2001.
The supertanker AbQaiq was made in 2002.
Class 379 EMUS of Stansted Express the made between 2010 and 2011.
Oil, Gas and oil shale.
.
Nukes.
.
Do your research!
You may need to look up some things like these to help your understanding of armies, companies, resources and nations like-