A £1,000 donation to the scanner appeal means it has broken through the £21,000 barrier.
Bryant Homes gave the cheque to Colchester General Hospital as part of a campaign backed by the Evening Gazette.
Sara Stanhope, Bryant Homes senior sales manager, said: "Bryant Homes is delighted to be able to contribute £1,000 towards the appeal for a maternity and gynaecological scanner."
Every day through December the Evening Gazette is asking readers to get involved with fundraising activities to help the hospital reach a minimum of £25,000 for the vital piece of equipment.
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