Rare vintage car rally instruments - before electronic calculators, before computers, before GPS This was how car rallies were won! Halda Speedpilot - time/distance calculator mounting bracket, instructions etc. Halda Tripmaster - vintage extreme accuracy distance calculator -complete with large set of gears, spare bulbs, misc. parts/ This is the metal case version, not the plastic case version. Misc. T connectors, right angle connectors and cables for a dead wheel drive setup. Stevens calculator with odometer error correction capability and case. A great gift for the motor sports enthusiast. Only serious collectors please. Price is firm,