Wolcott's American Mixture.--Van Loan Quick.--This mixture was first formed and used by T. Wolcott & Johnson and gained great celebrity for its productions. I have now a bottle hermetically sealed that contains about a half ounce of this mixture prepared in 1841 by John Johnson, now a resident of this city, and the former partner of Mr. Wolcott. The preparation of this mixture, as furnished by Mr. Johnson himself, is given as follows:英文原著 · 《American Hand Book of the Daguerreotype》
Early in the year, 1842, I discovered a combination of chemicals (now known in London as "Wolcott's Mixture," in hermetically sealed bulbs) of exceeding uniform character, very sensitive to the action of light, and specimens produced in 1842-3, with this combination, will bear comparison with the best specimens produced at this late date.英文原著 · 《American Hand Book of the Daguerreotype》
[1] EIRENAEUS PHILALETHES: _An Open Entrance to the Closed Palace of the King_. (See _The Hermetic Museum, Restored and Enlarged_, ed. WAITE, 1893, vol.英文原著 · 《Bygone Beliefs》
[1] _The Sophic Hydrolith; or, Water Stone of the Wise_. (See _The Hermetic Museum_, vol. 74 and 75.)英文原著 · 《Bygone Beliefs》
[1] MICHAEL SENDIVOGIUS (?): _The New Chemical Light, Pt. II., Concerning Sulphur_. (See _The Hermetic Museum_, vol.英文原著 · 《Bygone Beliefs》