Page 2
Sins of youth
Gantry crane
Joseph Paris gantry construction
A four-pole electric coupling
Lighting strips for coaches
Page 3
Home-designed elongating drawbar
Load of wire crowns
A circuit on the terrace
Home made latching reed switches
Improving the Jouef MT pantograph
Citroën rear suspension
Page 4
My method for soldering SMDs
Construction of the L'Obsidienne Richier road roller