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## Henry Bushby Transcription pages

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## Current Page Transcription [history]

"__Not__". ~~S~~ I_{z}_{z} series.__Amended Laws.__

(1) z rule:- [Diagonal pencil note: *corrected forI _{3} also -*]

1[sideways U]1, or 1+[Bracket spanning 2 lines]a multiple of 4 ....z unaltered

e.g. 1x4, 2x4, 3x4 &c. [Pencil note:

1[sideways U]2, or 2 + M4.....[Bracket spanning 2 lines]z

*^=2 or 3*~~even~~, subtract 1

z

*^=1*

[Pencil note:

1[sideways U]3, or 3 + M4......[Bracket spanning 2 lines]z

*=2 or 3*

z

*=1*

[Pencil note: z always = 1 in I

_{z}

[ deleted pencil note of several lines ?]

1[sideways U]4 or (4+) M4.........add 1. [Pencil note: (z=2 or 3)]

This exhausts all possibilities.

(2) Crossings rule.

Ignoring 1[sideways U]2 which always gives

preceding knot & is therefore useless,

__even__bights (or c)

only

*^repetitions of*knots will be obtained if

1[sideways U] to a part with a no. higher than

__(no. of bights) + 1__; while with

__odd__bights

(or c) any no. higher than

__(no.__

__of bights)__gives

*^repetitions*,

[Pencil note: p261. T.]