Added 8 days ago | 00:04:01 | 296 views
In December 1657 the circle of James Butler (1610-88), Marquess of Ormond, used a recipe they had received from Lord Ogleby, which after testing they found most effective to delude the Cromwellian regime: ‘ye secret that L. Ogleby gaue (...
Added 24 days ago | 00:03:55 | 179 views
Anne Graham, Civil & Environmental Engineering Librarian created this video for Fall 2015 1.101 students to find Boston Globe and New York Times articles listed on the Resources page for Introduction to Civil & Environmental Engineering ...
Added 1 month ago | 00:04:22 | 470 views
Yo el Rey, 18 June 1732. A model of a letterlocked ceremonial letter from the King of Spain to the Duke of Sora, June 18, 1732. The original manuscript is housed in the Boncompagni Ludovisi Family Archive in Rome, Italy. Letterlocking ...
Added 1 month ago | 00:00:39 | 435 views
This is the first letterlocking video showing one of the many letterlocking formats found in the Fondo Veneto Sezione II Record Group, Vatican Secret Archives. The video demonstrates how the triangle-shaped paper (cut from the actual let...
Added 2 months ago | 00:02:56 | 1388 views
Artichoke Juice, Invisible Ink--a Witchcraft Potion? In September 1656, a female spy based in England wrote to her brother, who was living under exile in Antwerp. She feared their letters were being intercepted, broken into and sealed up...
Added 2 months ago | 00:07:18 | 621 views
By her correspondent’s panic reaction at having lost her letter with the formula for “invisable [sic] ink”, one can safely assume that one female spy had recommended a more sophisticated potion, not plain lemon juice, for secret messages...
Added 2 months ago | 00:06:10 | 1624 views
Giambattista della Porta's "Magiae Naturalis" (1558; 1644 ed. Book 16-Chapter IV) and Thomas Lupton’s “A Thousand Notable Things” (1579) give a step by step description how to secrete letters in eggs: "To put a Shedule, or lytle wrytin...
Added 3 months ago | 00:00:34 | 711 views
Prisoner of war Dino Belardinelli letter to his mother in Italy.Similar to the WWII Russian soldier triangle letterlocking format, this stationery used by WWII POW's allowed for privacy but not for an enclosure secured with an adhesive. ...
Added 3 months ago | 00:02:01 | 769 views
Watch our MITemp Lucy Brown demonstrate how to make this quick, easy, and inexpensive book cradle with one Tyvek™ envelope and some recycled air pillows. Book cradles are a type of support that help to reduce stress on the spine of a bo...
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