TERTIUS
 Free standing grasshopper escapement clock
   The Tertius is a long case clock, without the case.

    It has a Grasshopper escapement, which moves quietly and lazily making it a pleasure to watch.
Escapement -  Grasshopper

Drive   -  3 Kg  Weight

Runtime  -  2 ½ Days
tertiusplansWYG
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PRINTED PLANS
    11 Sheets of A3 plans and the 49 page instruction manual.
     Plans are in metric and imperial.
€40

PURCHASE
DXF PLANS
CAD drawings in DXF format, includes plans for all parts of the Primus as well as PDF instructions.
Plans are in metric and imperial.
€40

PURCHASE
tertiuscogsWYG
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COGS
     Includes only the parts as shown at left, pendulum, frame etc. must be self made.
     Does not include any plans or instructions.