[draft]

11 May.

Collen

5 Oz. salt by measure to 3 gall. water.

¼ of London, on guaranteeing – port^s per Ann. I not to grant other licenses for London for 1 year – Then option to him to take y^e rest on similar terms. If not, I to be at liberty to license others.

[expanded version]

11 May

To Henry Collen

5 Oz. salt ^<1> by measure to 3 gall. water.

¼ of London, on guaranteeing – portraits per Annum. I not to grant other licenses ^<2> for London for 1 year – Then option to him to take the rest on similar terms. If not, I to be at liberty to license others.

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Notes:

1. See Doc. No: 04500.

2. Licenses to use the Calotype process. See Doc. No: 04500.