It looks like you're offline.

Last edited by RenameBot

September 7, 2008 | History

Edit

Harold Hayward Clark

We need a photo of Harold Hayward Clark

Born

1876

14 works Add another?

Most Editions

Most Editions First Published Most Recent Top Rated Reading Log Trending Random

Details Grid — Show only ebooks?

The electrical section of the Bureau of mines

by Harold Hayward Clark First published in 1911
1 edition

Locate

My Reading Lists:

Create a new list

Create a new list
×Close

Name:

Description:

Cancel
Electrical symbols for mine maps

by Harold Hayward Clark First published in 1913
1 edition

Locate

My Reading Lists:

Create a new list
Electric lights for use about oil and gas wells

by Harold Hayward Clark First published in 1914
1 edition

Locate

My Reading Lists:

Create a new list
Electric switches for use in gaseous mines

by Harold Hayward Clark First published in 1913
1 edition

Locate

My Reading Lists:

Create a new list
The factor of safety in mine electrical installations

by Harold Hayward Clark First published in 1912
1 edition

Locate

My Reading Lists:

Create a new list
Ignition of gas by miniature electric lamps with tungsten filaments

by Harold Hayward Clark First published in 1912
1 edition

Locate

My Reading Lists:

Create a new list
Ignition of gas by standard incandescent lamps

by Harold Hayward Clark First published in 1912
1 edition

Locate

My Reading Lists:

Create a new list
Ignition of mine gases by the filaments of incandescent lamps

by Harold Hayward Clark First published in 1913
1 edition

Locate

My Reading Lists:

Create a new list
Permissible electric lamps for miners

by Harold Hayward Clark First published in 1914
1 edition

Locate

My Reading Lists:

Create a new list
Permissible explosion-proof electric motors for mines: conditions and requirements for test and approval

by Harold Hayward Clark First published in 1915
1 edition

Locate

My Reading Lists:

Create a new list
Portable electric mine lamps

by Harold Hayward Clark First published in 1913
1 edition

Locate

My Reading Lists:

Create a new list
Safety electric switches for mines

by Harold Hayward Clark First published in 1913
1 edition

Locate

My Reading Lists:

Create a new list
Shot firing in coal mines by electricity controlled from outside

by Harold Hayward Clark First published in 1915
1 edition

Locate

My Reading Lists:

Create a new list
Suggested safety rules for installing and using electrical equipment in bituminous coal mines

by Harold Hayward Clark First published in 1916
1 edition

Locate

My Reading Lists:

Create a new list

We need a photo of Harold Hayward Clark

Born

1876

Add to List

My Reading Lists:

Create a new list

ID Numbers

OLID: OL2389237A

Links outside Open Library

No links yet. Add one?

Download catalog record: RDF / JSON