Disentanglement Puzzle, Gilbert Nail Puzzle
date: label: date made
content: ca 1917
name: label: maker
content: A.C. Gilbert Company
notes: label: Description
content: This disentanglement puzzle consists of two entangled bent nails that are to be separated. A green cardboard card with the puzzle gives instructions for solving it. A mark on the card reads: GILBERT NAIL PUZZLE. Another mark reads: THE A. C. GILBERT COMPANY. NEW HAVEN, CONN., U. S. A. Another mark reads: M 104 No. 16 4-17. The final numbers in this mark suggest a date.
label: Description
content: A solution to the puzzle is given in a 1920 A.C. Gilbert publication cited below. Slocum and Botermans discuss the history of the puzzle.
label: Description
content: Compare MA.335296, MA.335928, and one of the puzzles in MA.335288.
label: Description
content: References:
label: Description
content: A.C. Gilbert Company, <I>Book of Instructions for Use with Gilbert Puzzle Parties. . . .</I>, New Haven: A.C. Gilbert Company, 1920, p. 6. A copy of this booklet is online at gamearchives.org, accessed July 26, 2017.
label: Description
content: Jerry Slocum and Jack Botermans, <I>Puzzles Old & New: How to Make and Solve Them</I>, Seattle: University of Washington Press, 1986, esp. p. 97.
label: Location
content: Currently not on view
place: label: place made
content: United States: Connecticut, New Haven
topic: label: Subject
content: Mathematics
label: Subject
content: Mathematical Recreations
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Edith R. Meggers
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.335294
label: catalog number
content: 335294
label: accession number
content: 314637
objectType: label: Object Name
content: puzzle
label: Object Name
content: Puzzle
label: Object Name
content: puzzle
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: .4 cm x 12.5 cm x 10.2 cm; 5/32 in x 4 29/32 in x 4 1/32 in