Shaw, W.N.: The 1951 Mammoth Gadgets Annual ©1952 Postlib Publications, London Hardcover, w/dj, 315 pages

Image courtesy eBay seller pxspxs

Comments: Over 500 illustrations, designs and diagrams. A collection of gadgets and ideas compiled from features in Gadgets Magazine. Includes sections on Magic Tricks, puppetry, and toys you can make.

Contents (from book ToC, some page numbers missing):

5 Amateur Artists: 18 gadgets and ideas
17 Electrical Use: 25
39 Festive Seasons: 8
Garden: 29
Garage and Car: 72
Glass: 11
Home Use: 108
116 Home-Made Magic: 54 entries such as tricked cards, productions, etc.
Hobbies: 15
Indoor Games: 11
Miscellaneous Use: 75
188 Modelling: 26
Office and Shop: 23
288 Puppetry: one comprehensive feature
Paint - Brushes: 22
Photographers: 21 gadgets and ideas for
233 Stain-Removing: 21 formulae
238 Soldering: 9 gadgets to help
Sports and Pastimes: 18
Tools: 13
253 Toys From Scrap: 15
260 Toys From Wood: 50
Wood-Workers: 45 gadgets and ideas to help
Wooden Construction: 50 ingenious gadgets and ideas