Public Domain Mark
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Credit
Specification of William Newton : preparing and preserving milk. Public Domain Mark. Source: Wellcome Collection.
Patent for preserving "animal milk... with its nutritive properties... for domestic or medicinal uses".
Location | Status | Access | |
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Closed stores Pat. vol. 45 | Open | Online request |
Location | Access | ||
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Closed stores Pat. vol. 45:25 | Can't be requested |