SP30 Eyepiece x10 Widefield - Microscopes

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An affordable pH meter which makes it easy for both technical and non-technical people to measure pH on the spot. Temperature is displayed simultaneously and is automatically compensated for. 5 buffer values are memorised and the meter has a fully automatic calibration procedure with 1 or 2 point calibration. The electrode is replaceable and is easily changed when exhausted by a snap-in replacement. Battery life is monitored and the meter will switch off automatically should you leave it on accidentally. Fully sealed against water and dust and it floats if accidentally dropped into liquid. Supplied with protective cap, electrode removal tool, batteries and instructions. To use this meter you will also need a pH buffer solution for calibration, and storage solution for the electrode.

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A3 Landscape Weatherwriter - WeatherWriter waterproof clipboards remain the best value for money and are indispensible in the field, especially in rain, snow or windy weather. The clipboard is plastic-coated with a transparent cover, protecting your work whilst retaining clear visibility. Internal pockets keep your pens dry. The WeatherWriter folds flat when not in use, yet opens automatically when the spring-loaded cover is released. A3 sizes also have eyelets for attaching a neck cord for extra stability.

Mark Carwardine's Guide to Whale Watching - A guide to where to watch whales, dolphins and popoises in Britain and Europe, and how to identify them. Europe's major whale watching sites are comprehensively covered, including 19 countries, plus an introduction to whales and whale watching and detailed field guide with stunning illustrations, identification and behaviour tips, dive sequences and distribution maps for all the cetaceans of Europe.

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