| skos:altLabel | - Spring
- sail
- sails
- wings
- common
- Common
- Beckers
- spring
- rotor
- blades
- Dekker
- Annular sail
- Becker sails
- Beckers sails
- Bilau sails
- Boarded sails
- Common Sails
- Common sail
- Common sails
- Common sails, Fauël system
- Common sails, Fok system
- Common sails, Van Bussel streamlined leading edges
- Dekker System
- Dekker system
- Dekkerised
- Dekkerised Common sails
- Dekkerised leading edges
- Double Patent Sails
- Double Patent sails
- Double patent sails
- Fauël system
- Five sails
- Fok System
- Fok system
- Fok system streamlining on leading edges
- Patent Sails
- Patent sail
- Patent sails
- Patent-Shutter
- Roller Reefing sails
- Roller reefing sails
- Single Patent sails
- Spring Patent sails
- Spring Sails
- Spring or Patent sail
- Spring sails
- Spring sweeps
- Ten Have sails
- Ten Have sails, (Fok system on leading edges)
- Two Common sails and two Patent sails
- Two Common sails and two Spring Sails
- Two Common sails and two double Patent sails
- Two Common sails, two Patent sails
- Two Patent sails and two Common sails
- Two Spring Patent sails and two Spring sails
- Two Spring sails and two Common sails
- Two Spring sails, two Common sails
- Two spring sails and two common sails
- Van Bussel leading edges
- Van Bussel system
- Windmill sail#Common sails
- Windmill sail#Patent sails
- Windmill sail#Roller reefing sails
- Windmill sail#Spring patent sails
- Windmill sail#Spring sails
- common sail
- common sails
- dekkerised sails
- five sail
- patent sails
- self-regulating sails
- self-regulating windmill sail
- shuttered sails
- single sails
- spring sails
- wind mill sails
- windmill sail
- Ten Have sails, (Van Bussel system on leading edges)
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