Features
- This Photo Puzzle features a cropped image chosen by Science Photo Library. Estimated image size 356x254mm.
- 10x14 Photo Puzzle with 252 pieces. Packed in black cardboard box of dimensions 5 5/8 x 7 5/8 x 1 1/5. Puzzle image 5x7 affixed to box top. Puzzle pieces printed on RA4 paper at 300 dpi
- Image Description: William Gilberts Quadrant for measuring the variation in the magnetic pole (as opposed to true north). It consists of a plank of wood, about 24 by 16 inches, with semicircles drawn on it. In the centre is a brass post (seen in strange perspective, with the sharp pointed tip). A pointer (here at 45 degrees) is hinged about the base of the post. The oblong box in the middle of the semicircles is a compass. It is set at due magnetic north and
- For any queries regarding this item please contact Science Photo Library c/o Media Storehouse quoting Media Reference 1117494
- Science Photo Library
Price:
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Product Description
Photo Puzzle, Gilberts quadrant to measure magnetic pole. William Gilberts Quadrant for measuring the variation in the magnetic pole (as opposed to true north). It consists of a plank of wood, about 24 by 16 inches, with semicircles drawn on it. In the centre is a brass post (seen in strange perspective, with the sharp pointed tip). A pointer (here at 45 degrees) is hinged about the base of the post. The oblong box in the middle of the semicircle
