[8]this—for these.
[A total locking of Cabinet-boxes.] The fact that by this means no one of the several cabinets can “be left opened unawares,” exposes the source of security, namely something like a long key-rod to take hold of each, or a bar extending down one side to overlap, when each cabinet drawer or door is closed.
80.
How to make a Pistol Barrel no thicker then a Shilling, and yet able to endure a Musquet proof of Powder and Bullet.
[Light Pistol-barrels.] One might almost suppose the Marquis contemplated a method similar to that recently introduced by Mr. Longridge, of winding the barrel with wire.
See also [article No. 44], which may, or not, refer to the same description of barrel.
81.
A Combe-conveyance carrying of[9] Letters without suspicion, the head being opened with a Needle-scrue drawing a Spring towards them[1]; the Comb being made but after an usual form carried in ones Pocket.
Footnotes
[9]of—omitted.