scales

Clive Marks, deckhand on Lucy Star, Eden, NSW, wheeling a part of the tuna catch ... continue

This English slide rule is the best known of the small pocket-size cylindrical rules. The ... continue

This early rule is a folding metal rule made in the bright silvery alloy, electrum ... continue

An Australian slide rule used for machine gun fire calculations. Successful calculation of an artillery ... continue

This is a special slide rule designed for the paper and printing industry and used ... continue

Microscopes and the equipment used to prepare specimens for microscopic analysis are vital tools for ... continue

These scales are of interest as they are a reminder of the long history of ... continue

This pocket slide rule represents one of the last models made in China, before slide ... continue

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