Description
1. London Borough of Greenwich Working Standard Weights: 1000 to 0.01 gr. Maker; Avery De Grave.
2. Bedfordshire County Council: 100 to 01 grains.
3. Borough of Bedford: 100 grains to 0.1 gr. Maker; W & T Avery Ltd.
4. County of Surrey: 100g. to .01 gr.
All with tweezers.