Specification of Pierre Louis Thimoté Thiers : instrument for the drawing off milk from the breasts of women, &c.

  • Thiers, Pierre Louis Thimoté.
Date:
1857
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Pierre Louis Thimoté Thiers : instrument for the drawing off milk from the breasts of women, &c. Source: Wellcome Collection.

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    Thiers Improved Instrument for Drawing off Milk from the Breasts of Women. against the breast, which produces a movement in the flesh, so that each blow of the piston extracts the milk, and suffers the flesh to recede, thereby avoiding the pressure, and consequently preventing obstruction .and pain, so that the vacuum operated upon by the drawing up of the piston is soon filled 5 with a fresh quantity of liquid, which is speedily drawn out; by the quickly repeated movements of the piston, very nearly the same effect might be obtained, if there were not any valve to the pump, but too great a quantity of air would enter into the vessel, which would cause too great a resistance, and inflict a blow, by forcing the air to pass between the bell or cup and 10 the skin. I mention this method to guard against counterfeites, but most assuredly the method above described is preferable to all others, and produces the most beneficial effects, as I have ascertained by repeated experiments. T shews the form of the screw inverted in the pump, and to which the valve is attached; the pump screws on to a nozzle fixed to the tube, and may be taken 15 off at pleasure; a ring made of leather is placed between the screw and the nozzle to prevent the air from passing. In witness whereof, I, tbe said Pierre Louis Thimote Thiers, have hereunto set my hand and seal, this Fifth day of July, in the year of our Lord One thousand eight hundred and forty-seven. 20 PIERRE LOUIS THIMOTE (l.s.) THIERS. Taken and acknowledged by Pierre Louis Thimote Thiers (party hereto), at Paris, in the Kingdom of France, this Fifth day of July 1847, before me, Thomas Pickford, Her Britannic Majesty’s Consul at Paris. This is the Specification referred to in the Affidavit of William Henry Ritchie, sworn before me, this Seventh day of July 1847, G. Wilson. 30 William Henry Ritchie, of Lincoln’s Inn, in the County of Middlesex, Gentleman, maketh oath and saith, that he is acquainted with the manner and character of the handwriting of Thomas Pickford, Her Britannic Majesty s Consul at Paris, in the Kingdom of France; and this deponent further'saith, that the signature “Thomas Pickford,” set, subscribed, or written in the 35 margin of the Specification hereunto annexed marked A, and dated the Fifth
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