International Slide Rule Museum

- sliderulemuseum.com

Slide Rule Museum/Library/Encyclopedia

  2,188,061   $ 240.00

Hyperfocal Distance and Depth of Field Calculator - DOFMaster

- dofmaster.com

Free depth of field and hyperfocal distance calculators for Windows® operating systems and Palm OS® devices.

  225,894   $ 22,680.00

Sphere Research Corporation - Used Electronic Test Equipment, Spare Parts, Slide Rules and more...

- sphere.bc.ca

Sphere's site contains an original e-library, including quotes, business practices and ethics, short stories and columns. Plus, an Electronic Test Equipment and Slide Rule on-line warehouse with engineering resources

  1,764,782   $ 480.00

HISTORICAL INSTRUMENTS OF SCIENCE AND TECHNOLOGY FOR SALE

- antiques-sci-tech.com

  16,028,212   $ 8.95

JFZAZZA ARC reglasdecalculo.com WEB

- reglasdecalculo.com

Web en español dedicada a las reglas de calculo ( slide rule ), fotografias, manuales (preferentemente en español) e informacion diversa sobre ellas, venta, subasta. Ademas de ser mi pagina personal

  1,518,681   $ 480.00

HISTORICAL INSTRUMENTS OF SCIENCE AND TECHNOLOGY FOR SALE

- antiquessci.tech

  Not Applicable   $ 8.95

Grab control of your engineering career.

- tri-vo.com

Gain insights from the Consultants Consultant on how to take steps towards career independence.

  Not Applicable   $ 8.95