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Speed layout stick

Geometrical instruments – Scriber – Parallel line
Patent

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Spherical drawing template

Geometrical instruments – Scriber – Curved surface
Patent

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Spring loaded clamping device for drafting parallel lines

Geometrical instruments – Scriber – Parallel line
Patent

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Spring-loaded engraving toolholder

Geometrical instruments – Scriber
Reexamination Certificate

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Stabilized T-square

Geometrical instruments – Scriber – Parallel line
Reexamination Certificate

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Standard parallel rule with perspective drawing device

Geometrical instruments – Scriber – Curved line
Patent

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Stone scribe

Geometrical instruments – Scriber – Parallel line
Patent

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Straight edge assembly

Geometrical instruments – Scriber – Curved line
Patent

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Straightedge

Geometrical instruments – Scriber – Curved line
Patent

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Straightedge supporting device for rail type drawing instrument

Geometrical instruments – Scriber – Curved line
Patent

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Stud alignment tool

Geometrical instruments – Scriber – Curved line
Patent

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Stud marking device

Geometrical instruments – Scriber – Straight-line
Reexamination Certificate

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Stylus for sign-making machine

Geometrical instruments – Scriber – Pantographic
Patent

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Support device, especially for eyeglass frames

Geometrical instruments – Scriber – Curved line
Patent

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Switch control of a master-slave power supply for preventing res

Geometrical instruments – Scriber – Curved line
Patent

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