Missing T
a.k.a.
T Puzzle, Magic T, Cut-Up T, Pa's T Puzzle,
Great American T Puzzle,
White Rose Ceylon Perfect T Puzzle,
Lash Bitters T Puzzle.
Old design, copyright 1898 Lash Inc., this copyright ThinkFun Binary Arts 2003.
(plastic, 4 pieces, 3.1" high by 3" wide when solved)
The four pieces can be positioned to form a T as shown above.
The
HIQU
puzzle has a booklet of problems based on these pieces.
This is an old puzzle that has been produced many times;
here is a nice antique wood one:
Pa's T Puzzle, circa 1940's.
(cardboard box 4.6 by 1.75 by 11/16 inches and 4 walnut pieces,
5" high by 4.75" wide when solved;
box edge says "PA'S T PUZZLE No. P 20 WM. F. DRUEKE & SONS Grand Rapide, Mich.")
Adams Version Of The T Puzzle With Solution
S. S. Adams Co., circa 1950's.
(3.5" cardboard sleeve with cardboard directions and dark green plastic pieces)
Example Of Inexpensive T Puzzles Sold Circa 1960's
Magic T Puzzle, unknown manufacture.
(plastic box 2.5 by 1.75 by 1/2 inches and 4 plastic pieces)
Marx Toys, circa 1960's.
(5.5 by 7 inch cardboard card with plastic pieces;
solution sheet in plastic bag and big question mark with company logo behind the bag)
Further Reading
T Puzzle Wikipedia Page,
from: http://en.wikipedia.org/wiki/T_puzzle