This pocket notebook was used by Edison in June 1891 for notes on chemicals for coating lamp filaments and clamps. The book contains 15 numbered pages, followed by 14 unnumbered pages.

Blank pages: 2-5, 10-11.

Note: The images in this pocket notebook are quite small. They can be enlarged to a more readable size by using the \"image zoom\"" feature of the Firefox browser. Click here to download the Firefox \""image zoom\"" add-on. Right-click on the image to enlarge."