Burton IPA between the wars

Even yet more IPA analyses. This time from the style's spiritual styles: Edinburgh. No, Burton. Let's see how versions brewed in the town looked.

Rather surprisingly, this set averages out stronger, both in terms of OG and ABV. Though that's a little deceptive, as the older set didn't include any Burton-brewed beer. Bass Pale Ale still had a gravity of 1065º. Looking at it from that point of view, Burton IPA had lost about 10º on account of WW I.

The beers sold in Belgium look much like the domestic ones, at around 1055º. Attenuation remains mostly very high, averaging over 80%. Leaving them almost 7% ABV

1055º isn't a random choice. The top band of the last set of WW I price controls started at that gravity. Anything over 1055º could only be sold for the same maximum price. It made no economic sense to brew anything much over that gravity. It had a lasting effect on beer strengths all the way through the interwar period. Particularly amongst draught beers.

Lost interest yet? I wouldn't blame you. I'm nodding off as I write. 

Loads more information about more recent IPAs. Plenty of the lovely weedy ones. Mostly lovely weedy ones, if I'm honest.

Burton IPA between the wars
Year	Brewer	Beer	package	OG	FG	ABV	App. Atten-uation
1921	Allsopp	IPA	bottled	1054.4	1004.4	6.56	91.91%
1921	Bass	Pale Ale (bottled by Whitbread)	bottled	1055.2
1921	Ind Coope	India Pale Ale	bottled	1051.9	1005.4	6.09	89.60%
1921	Worthington	IPA	bottled	1054.9	1007.4	6.22	86.52%
1922	Bass	Pale Ale (Belgian sample)	bottled	1055.1	1010.9	5.76	80.22%
1922	Bass	Pale Ale	bottled	1054.7	1011	5.70	79.90%
1922	Worthington	IPA (Belgian sample bottled by J Baker, Brussels)	bottled	1055	1004.7	6.60	91.45%
1922	Worthington	Pale Ale (Brussels)	bottled	1053	1009	5.74	83.02%
1927	Bass	Pale Ale	draught	1055.5
1927	Worthington	Pale Ale	draught	1052.7
1928	Bass	Pale Ale	bottled	1059	1013	6.00	77.97%
1929	Bass	Pale Ale	bottled	1056	1008	6.28	85.71%
1930	Bass	Blue Triangle	bottled	1058	1011.9	6.01	79.48%
1931	Bass	Blue Triangle	bottled	1056.3	1011.2	5.88	80.11%
1931	Worthington	IPA (bottled by RP Culley)	bottled	1059	1013.1	5.98	77.80%
1931	Worthington	Green Label (bottled by RP Culley)	bottled	1055.1	1014.3	5.30	74.05%
1932	Bass	Pale Ale	draught	1054.7	1012	5.56	78.06%
1932	Worthington	PA	draught	1054.7	1010.1	5.82	81.54%
1933	Bass	Pale Ale (bottled by Whitbread)	bottled	1055	1007	6.28	87.27%
1933	Bass	Pale Ale (Probyn & Co.)	bottled	1055.8	1012.2	5.68	78.14%
1933	Bass	Blue Label	bottled	1057.5	1014	5.66	75.65%
1933	Worthington	Pale Ale  (bottled by RP Culley)	bottled	1055.4	1011.6	5.71	79.06%
1936	Worthington	Pale Ale	draught	1046.9
1937	Worthington	Pale Ale	draught	1054.3
		Average		1055.0	1010.1	5.94	81.97%
Sources:
Whitbread Gravity book held at the London Metropolitan Archives, document number LMA/4453/D/02/001.
Thomas Usher Gravity Book document TU/6/11 held at the Scottish Brewing Archive.
Truman Gravity Book held at the London Metropolitan Archives, document number B/THB/C/252.
Younger, Wm. & Co Gravity Book document WY/6/1/1/19 held at the Scottish Brewing Archive.