What a fine weigh to calibrate drills
A PORTABLE digital weighscale has been specifically designed for the precise calibration of seed drills for fine seed such as rape, kale, parsnip and grass.
The Weighmate 3003, from Graham & White Instruments, measures from 10g to 3kg (0.3oz to 6.6lb) in steps of 1g (0.03oz). Operation is by push-buttons which control the display and "zero" the mass of weighing attachments.
Price is £135 (01727-861110).