![Autochron - specialists in historic race / rally and vintage equipment - halda twinmaster - tripmaster - speedpilot - t gear - calibration gears wheels cogs - cables - clips - knobs Autochron - specialists in historic race / rally and vintage equipment - halda twinmaster - tripmaster - speedpilot - t gear - calibration gears wheels cogs - cables - clips - knobs](https://www.autochron.co.uk/images/halda%20tripmaster%20minimeter.jpg)
Autochron - specialists in historic race / rally and vintage equipment - halda twinmaster - tripmaster - speedpilot - t gear - calibration gears wheels cogs - cables - clips - knobs
![Halda Tripmaster and a Twinmaster for car orienteering. Used to measure precise travel distances. – Tommi's Saab Site Halda Tripmaster and a Twinmaster for car orienteering. Used to measure precise travel distances. – Tommi's Saab Site](http://saabisti.fi/wp-content/uploads/2014/10/Halda-Tripmaster-Twinmaster.jpg)
Halda Tripmaster and a Twinmaster for car orienteering. Used to measure precise travel distances. – Tommi's Saab Site
![No Reserve: 1960s-70s Rally Accessory Collection for sale on BaT Auctions - sold for $25,000 on April 30, 2021 (Lot #47,131) | Bring a Trailer No Reserve: 1960s-70s Rally Accessory Collection for sale on BaT Auctions - sold for $25,000 on April 30, 2021 (Lot #47,131) | Bring a Trailer](https://bringatrailer.com/wp-content/uploads/2021/03/16160972682ee5fbBillede-18.03.2021-14.24.13-scaled.jpg)
No Reserve: 1960s-70s Rally Accessory Collection for sale on BaT Auctions - sold for $25,000 on April 30, 2021 (Lot #47,131) | Bring a Trailer
![Halda TM1 Tripmaster In NOS Metal Case with T-Gear, Bracket, and Spare NOS Case : Buy, Sell & Trade Forum : The MG Experience Halda TM1 Tripmaster In NOS Metal Case with T-Gear, Bracket, and Spare NOS Case : Buy, Sell & Trade Forum : The MG Experience](https://www.mgexp.com/phile/42/788954/IMG_8048.jpeg)