Lager!

Barclay Perkins Lager in the 1930's, to be precise.

Remember me promising you the grists for Barclay Perkins Lagers? I did. I know I did. Here they are:

Barclay Perkins Lagers 1934-1935
Year	Beer	Style	OG	OG	FG	FG	ABV	App. Attenuation	lbs hops/ qtr	hops lb/brl	barrels	lbs hops	qtrs malt	boil time (hours)	Pitch temp	pale malt	crystal malt	lager malt	caramel
1934	Export Lager	Export	17.83	1049.4	4.33	1012.0	4.95	75.71%	6.00	1.11	205.75	228	38	2	46º			29	0.03
1934	Draught	Lager	11.62	1032.2	4.69	1013.0	2.54	59.63%	5.47	0.99	187.5	186	34	2	46º	17		17
1934	Dark Lager	Münchener	20.72	1057.4	8.48	1023.5	4.48	59.06%	4.68	1.19	104.25	124	26.5	1.5	46º	10	5	11
1935	Draught	Lager	15.7	1043.5	3.97	1011.0	4.30	74.71%	5.47	0.95	196.5	186	34	2	45º	11		23	0.03
1935	Dark Lager	Münchener	20.79	1057.6	6.86	1019.0	5.11	67.01%	4.68	1.15	107.75	124	26.5	1.5	45º	10	5	11
Source:
Barclay Perkins brewing records held at the London Metropolitan Archives

Not 100% about the pale malt. It could have been British-produced lager malt. The logs aren't really clear.

The variations in attenuation are a bit odd.