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Hard nylon bristles, mounted on twisted G.I. wire, head 90 x 45 mm., overall length 250 mm.

All Charts are made on PVC rexine, hand drawn, waterproof, in fast multicolours with a black background. Each chart is provided with rollers to hang on wall. Size 75×100 cm.

1) Riccia structure & reproduction
2) Marchantia structure & Life History
3) Anthoceros structure & reproduction
4) Moss (Funaria) life history
5) Selaginella structure & reproduction
6) Psilotum structure & life history
7) Marselia structure & reproduction
8) Lycopodium structure & life history
9) Equistem structure & reproduction
10) Fern (Aspidium) structure & life history
11) Fern (Pteris) structure & life history
12) Fern (Nephrolapis) structure & life history

Nickel plated burner tube 100 x 12 mm, with adjustable screwed air regulator, riffled connector, mounted on a stove enamelled, pressed steel wide base of 80 mm diam. Overall height 125 mm. With one spare jet.

As CH10613, with Flame retainer for use with Natural Gas

With pilot flame, saves time when the burner is only needed on an intermittent basis. Base is stamped steel with chromen plating. Sleeve- type regulator and stopcock for reliable gas control. Pilot light tube has a screw adjustment for flame control