Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Chingford]
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35.
Ice Cream.
No. | Type | Colonies per ml, on Agar @ 37°C in 48 hours | Coli-form Test 3 tubes | Bact. Coli 3 tubes | Ministry Grade |
---|---|---|---|---|---|
Grade I. | Grade II. | Grade III. | Grade IV. | ||
33 | 1 | 1 | 2 | ||
1. | Chocolate Bar | 400 | 0/3 | 0/3 | I |
2. | Brickette | 1100 | 0/3 | 0/3 | I |
3. | Pola Maid | 500 | 0/3 | 0/3 | I |
4. | Brickette | 300 | 0/3 | 0/3 | I |
5. | Chocolate Bar | 500 | 0/3 | 0/3 | I |
6. | Brickette | 400 | 0/3 | 0/3 | I |
7. | Brickette | 200 | 0/3 | 0/3 | I |
8. | Chocolate Bar | 200 | 0/3 | 0/3 | I |
9. | Brickette | less than 100 | 0/3 | 0/3 | I |
10. | Chocolate Bar | 200 | 0/3 | 0/3 | I |
11. | Brickette | 300 | 0/3 | 0/3 | I |
12. | Brickette | 300 | 0/3 | 0/3 | I |
13. | Brickette | 600 | 0/3 | 0/3 | I |
14. | Loose from bulk | 300 | 0/3 | 0/3 | I |
15. | Brickette | 400 | 0/3 | 0/3 | I |
16. | Brickette | 100 | 0/3 | 0/3 | I |
17. | Brickette | 200 | 0/3 | 0/3 | I |
18. | Pola Maid | 500 | 0/3 | 0/3 | I |
19. | Brickette | 240000 | 1/3 | 3/3 | IV |
20. | Brickette | less than 100 | 0/3 | 0/3 | I |
21. | Brickette | 500 | 0/3 | 0/3 | I |
22. | Brickette | less than 100 | 0/3 | 0/3 | I |
23. | Brickette | 3000 | 0/3 | 0/3 | I |
24. | Brickette | 300 | 0/3 | 0/3 | I |
25. | Brickette | 180000 | 0/3 | 3/3 | III |
26. | Brickette | 240000 | 0/3 | 3/3 | IV |
27. | Loose from bulk | 100 | 0/3 | 0/3 | I |
28. | Brickette | 9300 | 0/3 | 0/3 | I |
29. | Chocolate Bar | 300 | 0/3 | 0/3 | I |
30. | Chocolate Bar | 300 | 0/3 | 0/3 | I |
31. | Pola Maid | 400 | 0/3 | 0/3 | I |
32. | Brickette | 100 | 0/3 | 0/3 | I |
33. | Loose from bulk | 400 | 0/3 | 0/3 | I |
34. | Brickette | 100 | 0/3 | 0/3 | I |
35. | Brickette | 200 | 0/3 | 0/3 | I |
36. | Canada Bar | 30000 | 0/3 | 1/3 | II |
37. | Brickette | 300 | 0/3 | 0/3 | 1 |