Entry: 1
Date: 1 January 1655
Note: A horizontal line is drawn between the work-diary title and the first entry
Hand: uncertain

Entry: 2
Date: 2 January 1655
Hand: uncertain

Entry: 3
Date: 2 January 1655
Hand: uncertain

Entry: 4
Date: 2 January 1655
Hand: uncertain

Entry: 5
Date: 2 January 1655
Hand: uncertain

Entry: 6
Date: 2 January 1655
Hand: uncertain

Entry: 7
Date: 4 January 1655
Hand: uncertain

Entry: 8
Date: 4 January 1655
Hand: uncertain

Entry: 9
Date: 4 January 1655
Hand: uncertain

Entry: 10
Date: 4 January 1655
Hand: uncertain

Entry: 11
Date: 6 January 1655
Hand: uncertain

Entry: 12
Date: 6 January 1655
Hand: uncertain

Entry: 13
Date: 6 January 1655
Hand: uncertain

Entry: 14
Date: 6 January 1655
Hand: uncertain

Entry: 15
Date: 6 January 1655
Hand: uncertain

Entry: 16
Date: 6 January 1655
Hand: uncertain

Entry: 17
Date: 9 January 1655
Hand: uncertain

Entry: 18
Date: 9 January 1655
Hand: uncertain

Entry: 19
Date: 9 January 1655
Hand: uncertain

Entry: 20
Date: 9 January 1655
Hand: uncertain

Entry: 21
Date: 9 January 1655
Hand: uncertain

Entry: 22
Date: 9 January 1655
Hand: uncertain

Entry: 23
Date: 12 January 1655
Hand: uncertain

Entry: 24
Date: 12 January 1655
Hand: uncertain

Entry: 25
Date: 12 January 1655
Hand: uncertain

Entry: 26
Date: 12 January 1655
Hand: uncertain

Entry: 27
Date: 12 January 1655
Hand: uncertain

Entry: 28
Date: 12 January 1655
Hand: uncertain

Entry: 29
Date: 12 January 1655
Hand: uncertain

Entry: 30
Date: 15 January 1655
Note: Square brackets surrounding 'XV aut XX dies' are author's own
Hand: uncertain

Entry: 31
Date: 16 January 1655
Hand: uncertain

Entry: 32
Date: 16 January 1655
Hand: uncertain

Entry: 33
Date: 16 January 1655
Note: 'saltpeter' is written above 'nitrous', presumably as an alternative word
Hand: uncertain

Entry: 34
Date: 16 January 1655
Hand: uncertain

Entry: 35
Date: 16 January 1655
Hand: uncertain

Entry: 36
Date: 16 January 1655
Hand: uncertain

Entry: 37
Date: 16 January 1655
Hand: uncertain

Entry: 38
Date: 17 January 1655
Hand: uncertain

Entry: 39
Date: 17 January 1655
Hand: uncertain

Entry: 40
Date: 17 January 1655
Hand: uncertain

Entry: 41
Date: 17 January 1655
Hand: uncertain

Entry: 42
Date: 17 January 1655
Hand: uncertain

Entry: 43
Date: 17 January 1655
Hand: uncertain

Entry: 44
Date: 17 January 1655
Hand: uncertain

Entry: 45
Date: 17 January 1655
Hand: uncertain

Entry: 46
Date: 17 January 1655
Hand: uncertain

Entry: 47
Date: 17 January 1655
Hand: uncertain

Entry: 48
Date: 17 January 1655
Hand: uncertain

Entry: 49
Date: 17 January 1655
Hand: uncertain

Entry: 50
Date: 17 January 1655
Hand: uncertain

Entry: 51
Date: 17 January 1655
Note: The entry is followed by a space of about 3 lines before the beginning of the next entry
Hand: uncertain

Entry: 52
Date: 17 January 1655
Hand: uncertain

Entry: 53
Date: 17 January 1655
Hand: uncertain

Entry: 54
Date: 17 January 1655
Hand: uncertain

Entry: 55
Date: 17 January 1655
Hand: uncertain

Entry: 56
Date: 17 January 1655
Hand: uncertain

Entry: 57
Date: 17 January 1655
Hand: uncertain

Entry: 58
Date: 23 Janaury 1655
Hand: uncertain

Entry: 59
Date: 23 Janaury 1655
Hand: uncertain

Entry: 60
Date: 23 Janaury 1655
Hand: uncertain

Entry: 61
Date: 23 Janaury 1655
Hand: uncertain

Entry: 62
Date: 25 January 1655
Hand: uncertain

Entry: 62a
Date: 25 January 1655
Hand: uncertain

Entry: 63
Date: 25 January 1655
Hand: uncertain

Entry: 64
Date: 27 January 1655
Hand: uncertain

Entry: 65
Date: 28 January 1655
Hand: uncertain

Entry: 66
Date: 28 January 1655
Hand: uncertain

Entry: 67
Date: 28 January 1655
Hand: uncertain

Entry: 68
Date: 28 January 1655
Hand: uncertain

Entry: 69
Date: 28 January 1655
Hand: uncertain

Entry: 70
Date: 28 January 1655
Hand: uncertain

Entry: 71
Date: 28 January 1655
Hand: uncertain

Entry: 71a
Date: 28 January 1655
Hand: uncertain

Entry: 72
Date: 28 January 1655
Hand: uncertain

Entry: 73
Date: 1 February 1655
Hand: uncertain

Entry: 74
Date: 1 February 1655
Hand: uncertain

Entry: 75
Date: 1 February 1655
Hand: uncertain

Entry: 76
Date: 1 February 1655
Hand: uncertain

Entry: 77
Date: 1 February 1655
Hand: uncertain

Entry: 78
Date: 1 February 1655
Hand: uncertain

Entry: 79
Date: 1 February 1655
Hand: uncertain

Entry: 80
Date: 1 February 1655
Hand: uncertain

Entry: 80a
Date: 7 February 1655
Hand: uncertain

Entry: 80b
Date: 7 February 1655
Hand: uncertain

Entry: 81
Date: 9 February 1655
Note: The square brackets surrounding 'Imbibe ... Hamburg' are the author's own
Hand: uncertain

Entry: 82
Date: 9 February 1655
Hand: uncertain

Entry: 83
Date: 9 February 1655
Note: The square brackets surrounding 'Ferræ' are the author's own
Hand: uncertain

Entry: 84
Date: 9 February 1655
Hand: uncertain

Entry: 85
Date: 9 February 1655
Hand: uncertain

Entry: 86
Date: 9 February 1655
Hand: uncertain

Entry: 87
Date: 9 February 1655
Hand: uncertain

Entry: 88
Date: 9 February 1655
Hand: uncertain

Entry: 89
Date: 9 February 1655
Hand: uncertain

Entry: 90
Date: 9 February 1655
Hand: uncertain

Entry: 91
Date: 9 February 1655
Hand: uncertain

Entry: 92
Date: 9 February 1655
Hand: uncertain

Entry: 93
Date: 9 February 1655
Hand: uncertain

Entry: 94
Date: 9 February 1655
Hand: uncertain

Entry: 95
Date: 9 February 1655
Hand: uncertain

Entry: 96
Date: 9 February 1655
Hand: uncertain

Entry: 97
Date: 9 February 1655
Hand: uncertain

Entry: 98
Date: 9 February 1655
Note: The square brackets surrounding 'NB. ... of Spanish salt' are the author's own
Hand: uncertain

Entry: 99
Date: 9 February 1655
Hand: uncertain

Entry: 100
Date: 9 February 1655
Note: The 100th entry ends at the bottom of fol. 148r. At the top of fol. 148v is the title header 'Centuria II September the 20'th 1655, with the rest of the page blank. It is likely, therefore, that Boyle conceived of this work-diary as a 'century' of 100 observations, and it may be the '1st' Century of the set of sequentially numbered workdiaries from the 1650s, ending with 18. From the 1660s, no other work-diary is explicitly titled a 'century' until the three from the late 1680s which have title headers of 'The XVI Century', 'The XVII Century' and 'The XVIII Century'.
Hand: uncertain