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13-02-2023, 08:31
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Another crazily data-heavy post. Before you ask, I tried to make it into a stacked bar chart, but Excel told me my data was too complicated.I still think the data in table form does make some trends very visible. Like the near-constancy of brown malt. The rise of black malt and its replacement by chocolate malt. Flirts with sugar in the late 19th century before its definitive adoption in 1902.
No adjuncts. Apart from maybe tiny quantities of oats, which may have been in flaked form. Though they could also have been malted. The records don't specify the form. Their presence is purely on account of Porter being parti-gyled with Stout. Some of which was sold as Oatmeal Stout. The tiny amount of oats was simply there for legal reasons.
The ups and downs of brown malt are also very evident. From a peak of 35% to a low of, well, nothing. Or 3%, if you look at it another way.
Mild malt takes a bow towards the end of Porter's life, making up part of the base malt. I assume for financial reasons.
Whitbread Porter grists 1805 - 1940
Year
pale malt
brown malt
black malt
amber malt
choc. Malt
mild malt
white malt
oats
total sugar
1805
78.95%
21.05%
1807
66.32%
16.84%
16.84%
1808
64.76%
35.24%
1809
76.12%
23.88%
1811
72.41%
27.59%
1812
64.76%
17.62%
17.62%
1813
52.62%
25.51%
21.87%
1814
77.94%
22.06%
1815
74.28%
25.72%
1816
54.56%
26.10%
19.34%
1817
87.89%
11.82%
0.30%
1818
69.57%
8.28%
0.41%
21.74%
1819
91.39%
7.82%
0.78%
1821
94.78%
4.01%
1.20%
1822
95.78%
3.07%
1.15%
1823
75.84%
4.07%
4.07%
16.02%
1824
95.39%
3.41%
1.19%
1825
98.80%
1.20%
1826
98.63%
1.37%
1827
98.78%
1.22%
1828
98.82%
1.18%
1829
98.63%
1.37%
1830
98.27%
1.73%
1831
98.44%
1.56%
1832
88.00%
10.59%
1.41%
1833
87.06%
11.32%
1.62%
1834
87.85%
10.09%
2.06%
1835
88.45%
9.63%
1.93%
1836
76.58%
20.54%
2.88%
1837
89.49%
7.93%
2.58%
1838
85.52%
12.07%
2.41%
1839
85.52%
12.07%
2.41%
1840
85.52%
12.07%
2.41%
1841
81.10%
16.26%
2.64%
1842
81.10%
16.26%
2.64%
1843
81.10%
16.26%
2.64%
1844
80.93%
16.23%
2.84%
1845
80.93%
16.23%
2.84%
1846
76.58%
20.54%
2.88%
1847
77.40%
19.66%
2.95%
1848
76.42%
20.50%
3.08%
1849
77.02%
19.56%
3.42%
1850
76.27%
20.46%
3.27%
1851
76.27%
20.46%
3.27%
1852
76.27%
20.46%
3.27%
1853
77.02%
19.56%
3.42%
1854
75.83%
20.49%
3.69%
1855
75.83%
20.49%
3.69%
1856
76.64%
19.46%
3.89%
1857
76.64%
19.46%
3.89%
1858
76.64%
19.46%
3.89%
1859
75.83%
20.49%
3.69%
1860
75.83%
20.49%
3.69%
1861
75.83%
20.49%
3.69%
1862
76.27%
19.37%
4.36%
1863
76.27%
19.37%
4.36%
1864
75.90%
19.28%
4.82%
1865
80.63%
14.18%
5.20%
1866
81.01%
14.24%
4.75%
1867
43.42%
11.03%
6.07%
39.49%
1868
74.20%
9.42%
4.71%
11.67%
1869
72.68%
11.08%
5.54%
10.71%
1870
79.15%
6.03%
14.82%
1871
84.21%
9.87%
5.92%
1872
94.25%
5.75%
1873
88.72%
5.28%
5.99%
1874
87.20%
7.38%
5.41%
1875
75.47%
14.37%
5.75%
4.41%
1876
79.35%
15.11%
5.54%
1877
79.75%
14.47%
5.79%
1878
80.67%
13.88%
5.45%
1879
83.30%
10.69%
6.01%
1880
84.70%
9.31%
5.99%
1881
85.67%
7.96%
6.37%
1882
83.82%
9.37%
6.81%
1883
80.81%
12.79%
6.40%
1884
77.14%
14.37%
8.49%
1885
76.06%
15.75%
8.19%
1886
84.98%
8.29%
6.73%
1887
84.98%
8.29%
6.73%
1888
86.96%
6.78%
6.26%
1889
84.00%
8.96%
7.04%
1890
86.94%
6.53%
6.53%
1890
83.22%
8.70%
8.08%
1891
78.57%
9.88%
6.97%
4.58%
1892
79.82%
7.02%
7.02%
6.14%
1893
84.00%
8.30%
7.70%
1894
82.34%
9.74%
7.92%
1895
85.44%
6.85%
7.71%
1896
86.31%
6.44%
7.25%
1898
86.30%
6.58%
7.12%
1899
86.56%
6.72%
6.72%
1900
85.67%
7.16%
7.16%
1901
85.67%
7.16%
7.16%
1902
80.34%
10.16%
6.77%
2.73%
1903
80.43%
9.65%
6.76%
3.17%
1904
78.29%
9.54%
7.16%
5.01%
1905
78.01%
9.66%
7.25%
5.07%
1906
76.75%
9.83%
7.62%
5.80%
1907
73.74%
10.29%
8.70%
7.27%
1908
74.27%
10.08%
8.53%
7.12%
1909
75.76%
10.19%
8.49%
5.57%
1910
73.66%
10.06%
7.94%
8.34%
1911
72.35%
10.42%
8.23%
0.36%
8.64%
1912
72.89%
10.19%
7.90%
0.33%
8.69%
1913
73.38%
10.39%
8.31%
0.27%
7.64%
1914
74.63%
10.48%
6.29%
0.34%
8.25%
1915
70.19%
10.19%
8.49%
11.14%
1916
73.31%
10.13%
7.94%
8.62%
1917
70.35%
10.54%
8.35%
10.76%
1918
71.97%
12.32%
9.24%
6.47%
1919
67.49%
11.37%
8.12%
0.71%
12.31%
1920
66.91%
11.33%
8.50%
0.37%
12.89%
1921
62.86%
10.70%
10.17%
0.35%
15.92%
1922
68.39%
11.53%
10.61%
0.61%
8.88%
1924
65.77%
11.44%
2.18%
12.15%
0.36%
8.10%
1925
64.96%
11.25%
3.37%
11.81%
0.74%
7.87%
1926
73.87%
7.09%
9.31%
0.62%
9.10%
1927
72.62%
6.29%
9.35%
0.55%
11.19%
1928
72.26%
6.79%
8.91%
0.49%
11.55%
1929
72.74%
6.83%
8.97%
0.50%
10.96%
1930
72.74%
6.83%
8.97%
0.50%
10.96%
1931
72.71%
6.52%
8.55%
0.61%
11.61%
1932
70.12%
6.75%
8.86%
0.74%
13.53%
1933
71.58%
6.88%
9.03%
0.69%
11.81%
1936
54.57%
6.11%
8.02%
18.46%
0.80%
12.04%
1937
54.28%
6.08%
7.98%
18.36%
0.80%
12.50%
1938
54.42%
6.10%
8.00%
17.61%
1.60%
12.27%
1938
54.57%
6.11%
8.02%
18.46%
0.80%
12.04%
1939
72.83%
6.10%
8.00%
0.80%
12.27%
1940
57.32%
6.07%
7.96%
19.90%
0.80%
7.96%
Sources:
Whitbread brewing records held at the Lonndon Metropolitan Archives, document numbers LMA/4453/D/09/001 to LMA.4453/D/09/126.
More... (http://barclayperkins.blogspot.com/2023/02/whitbread-porter-grists-1805-1940.html)
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhq-4xpYK9XKyP-kOYcMjHG6187SZ4LN_J8Kb9yp7gfC2W4dq_uxS-YYLQprreYeO9A2D-vc9dF8-zH7xzZbBsT4k6rv6ueSPl9CrnOnKYtzRb1IlKvPkTZIiuJzkUB xDdyGVQDEeZGyD42hN-wxmjvJp3CzqTEyWbffgUZU8T42_29ctGF8B5NuIFY/w328-h400/Whitbread_London_Cooper_2.jpg (https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhq-4xpYK9XKyP-kOYcMjHG6187SZ4LN_J8Kb9yp7gfC2W4dq_uxS-YYLQprreYeO9A2D-vc9dF8-zH7xzZbBsT4k6rv6ueSPl9CrnOnKYtzRb1IlKvPkTZIiuJzkUB xDdyGVQDEeZGyD42hN-wxmjvJp3CzqTEyWbffgUZU8T42_29ctGF8B5NuIFY/s528/Whitbread_London_Cooper_2.jpg)
Another crazily data-heavy post. Before you ask, I tried to make it into a stacked bar chart, but Excel told me my data was too complicated.I still think the data in table form does make some trends very visible. Like the near-constancy of brown malt. The rise of black malt and its replacement by chocolate malt. Flirts with sugar in the late 19th century before its definitive adoption in 1902.
No adjuncts. Apart from maybe tiny quantities of oats, which may have been in flaked form. Though they could also have been malted. The records don't specify the form. Their presence is purely on account of Porter being parti-gyled with Stout. Some of which was sold as Oatmeal Stout. The tiny amount of oats was simply there for legal reasons.
The ups and downs of brown malt are also very evident. From a peak of 35% to a low of, well, nothing. Or 3%, if you look at it another way.
Mild malt takes a bow towards the end of Porter's life, making up part of the base malt. I assume for financial reasons.
Whitbread Porter grists 1805 - 1940
Year
pale malt
brown malt
black malt
amber malt
choc. Malt
mild malt
white malt
oats
total sugar
1805
78.95%
21.05%
1807
66.32%
16.84%
16.84%
1808
64.76%
35.24%
1809
76.12%
23.88%
1811
72.41%
27.59%
1812
64.76%
17.62%
17.62%
1813
52.62%
25.51%
21.87%
1814
77.94%
22.06%
1815
74.28%
25.72%
1816
54.56%
26.10%
19.34%
1817
87.89%
11.82%
0.30%
1818
69.57%
8.28%
0.41%
21.74%
1819
91.39%
7.82%
0.78%
1821
94.78%
4.01%
1.20%
1822
95.78%
3.07%
1.15%
1823
75.84%
4.07%
4.07%
16.02%
1824
95.39%
3.41%
1.19%
1825
98.80%
1.20%
1826
98.63%
1.37%
1827
98.78%
1.22%
1828
98.82%
1.18%
1829
98.63%
1.37%
1830
98.27%
1.73%
1831
98.44%
1.56%
1832
88.00%
10.59%
1.41%
1833
87.06%
11.32%
1.62%
1834
87.85%
10.09%
2.06%
1835
88.45%
9.63%
1.93%
1836
76.58%
20.54%
2.88%
1837
89.49%
7.93%
2.58%
1838
85.52%
12.07%
2.41%
1839
85.52%
12.07%
2.41%
1840
85.52%
12.07%
2.41%
1841
81.10%
16.26%
2.64%
1842
81.10%
16.26%
2.64%
1843
81.10%
16.26%
2.64%
1844
80.93%
16.23%
2.84%
1845
80.93%
16.23%
2.84%
1846
76.58%
20.54%
2.88%
1847
77.40%
19.66%
2.95%
1848
76.42%
20.50%
3.08%
1849
77.02%
19.56%
3.42%
1850
76.27%
20.46%
3.27%
1851
76.27%
20.46%
3.27%
1852
76.27%
20.46%
3.27%
1853
77.02%
19.56%
3.42%
1854
75.83%
20.49%
3.69%
1855
75.83%
20.49%
3.69%
1856
76.64%
19.46%
3.89%
1857
76.64%
19.46%
3.89%
1858
76.64%
19.46%
3.89%
1859
75.83%
20.49%
3.69%
1860
75.83%
20.49%
3.69%
1861
75.83%
20.49%
3.69%
1862
76.27%
19.37%
4.36%
1863
76.27%
19.37%
4.36%
1864
75.90%
19.28%
4.82%
1865
80.63%
14.18%
5.20%
1866
81.01%
14.24%
4.75%
1867
43.42%
11.03%
6.07%
39.49%
1868
74.20%
9.42%
4.71%
11.67%
1869
72.68%
11.08%
5.54%
10.71%
1870
79.15%
6.03%
14.82%
1871
84.21%
9.87%
5.92%
1872
94.25%
5.75%
1873
88.72%
5.28%
5.99%
1874
87.20%
7.38%
5.41%
1875
75.47%
14.37%
5.75%
4.41%
1876
79.35%
15.11%
5.54%
1877
79.75%
14.47%
5.79%
1878
80.67%
13.88%
5.45%
1879
83.30%
10.69%
6.01%
1880
84.70%
9.31%
5.99%
1881
85.67%
7.96%
6.37%
1882
83.82%
9.37%
6.81%
1883
80.81%
12.79%
6.40%
1884
77.14%
14.37%
8.49%
1885
76.06%
15.75%
8.19%
1886
84.98%
8.29%
6.73%
1887
84.98%
8.29%
6.73%
1888
86.96%
6.78%
6.26%
1889
84.00%
8.96%
7.04%
1890
86.94%
6.53%
6.53%
1890
83.22%
8.70%
8.08%
1891
78.57%
9.88%
6.97%
4.58%
1892
79.82%
7.02%
7.02%
6.14%
1893
84.00%
8.30%
7.70%
1894
82.34%
9.74%
7.92%
1895
85.44%
6.85%
7.71%
1896
86.31%
6.44%
7.25%
1898
86.30%
6.58%
7.12%
1899
86.56%
6.72%
6.72%
1900
85.67%
7.16%
7.16%
1901
85.67%
7.16%
7.16%
1902
80.34%
10.16%
6.77%
2.73%
1903
80.43%
9.65%
6.76%
3.17%
1904
78.29%
9.54%
7.16%
5.01%
1905
78.01%
9.66%
7.25%
5.07%
1906
76.75%
9.83%
7.62%
5.80%
1907
73.74%
10.29%
8.70%
7.27%
1908
74.27%
10.08%
8.53%
7.12%
1909
75.76%
10.19%
8.49%
5.57%
1910
73.66%
10.06%
7.94%
8.34%
1911
72.35%
10.42%
8.23%
0.36%
8.64%
1912
72.89%
10.19%
7.90%
0.33%
8.69%
1913
73.38%
10.39%
8.31%
0.27%
7.64%
1914
74.63%
10.48%
6.29%
0.34%
8.25%
1915
70.19%
10.19%
8.49%
11.14%
1916
73.31%
10.13%
7.94%
8.62%
1917
70.35%
10.54%
8.35%
10.76%
1918
71.97%
12.32%
9.24%
6.47%
1919
67.49%
11.37%
8.12%
0.71%
12.31%
1920
66.91%
11.33%
8.50%
0.37%
12.89%
1921
62.86%
10.70%
10.17%
0.35%
15.92%
1922
68.39%
11.53%
10.61%
0.61%
8.88%
1924
65.77%
11.44%
2.18%
12.15%
0.36%
8.10%
1925
64.96%
11.25%
3.37%
11.81%
0.74%
7.87%
1926
73.87%
7.09%
9.31%
0.62%
9.10%
1927
72.62%
6.29%
9.35%
0.55%
11.19%
1928
72.26%
6.79%
8.91%
0.49%
11.55%
1929
72.74%
6.83%
8.97%
0.50%
10.96%
1930
72.74%
6.83%
8.97%
0.50%
10.96%
1931
72.71%
6.52%
8.55%
0.61%
11.61%
1932
70.12%
6.75%
8.86%
0.74%
13.53%
1933
71.58%
6.88%
9.03%
0.69%
11.81%
1936
54.57%
6.11%
8.02%
18.46%
0.80%
12.04%
1937
54.28%
6.08%
7.98%
18.36%
0.80%
12.50%
1938
54.42%
6.10%
8.00%
17.61%
1.60%
12.27%
1938
54.57%
6.11%
8.02%
18.46%
0.80%
12.04%
1939
72.83%
6.10%
8.00%
0.80%
12.27%
1940
57.32%
6.07%
7.96%
19.90%
0.80%
7.96%
Sources:
Whitbread brewing records held at the Lonndon Metropolitan Archives, document numbers LMA/4453/D/09/001 to LMA.4453/D/09/126.
More... (http://barclayperkins.blogspot.com/2023/02/whitbread-porter-grists-1805-1940.html)