Science stencils

Free
19" Rack Panels

19" Rack Panels

Here are some 19" rack panels symbols. They are in quarter scale.

Free
BS2 Board of Education (Serial)

BS2 Board of Education (Serial)

Parallax's Board of Education (Serial) symbol.

Free
Standard Batteries

Standard Batteries

These batteries symbols go with my PCB symbols.

Free
BS2 HomeWork Board

BS2 HomeWork Board

A symbol for Parallax's BS2 Homework Board.

Free
Direct Logic 06: Chassis

Direct Logic 06: Chassis

These are the PLC micro chassis: DL06. The symbols are similar, but each has a different silkscreen.

Free
Systemic Structural Constellations

Systemic Structural Constellations

A stencil for systemic structural constellations in coaching or family therapy.

Free
A4 Schéma unifilaire

A4 Schéma unifilaire

Tracage de Schéma unifilaire

Free
Energía Eólica

Energía Eólica

Librería para hacer diagramas eléctricos de sistemas de generación eólica.

Free
Calc Elec

Calc Elec

U=RI and Co