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You are here: CollectionsOnline  /  130 Fleet-Street, August 11th, 1834. [ ] If the mechanism of a lock be not too insignificant a matter for your consideration, we flatter ourselves you might possibly be pleased to see the very simple, unusually strong, and most efficient construction of some locks which have recently been patented by Mr. Parsons, ...
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BURBIDGE & HEALY
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130 Fleet-Street, August 11th, 1834. [ ] If the mechanism of a lock be not too insignificant a matter for your consideration, we flatter ourselves you might possibly be pleased to see the very simple, unusually strong, and most efficient construction of some locks which have recently been patented by Mr. Parsons, ...
[London]: [1834].
[4] p. ; 23.5 cm. (4°)

Bifolium, first verso and conjugate leaf blank. Drop-head title. Inscribed in ink at head of main text Sir and signed as a letter Burbidge & Healy. Thomas Parsons patented his change key lock in 1833. The letter advertises a reward of one thousand guineas 'to be paid to the first Person who can unlock a small Padlock, ... to make an attempt at daily until the 21st of August, ...'.

Copy Notes Previously folded as a letter addressed in ink Sir Jno Soane / 13 Lincolns Inn / Fields, red postal mark.

Binding Folded paper.

Reference Number 6331


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