Science - 19th C
Press
Another Fine Quality Print from Martin2001
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Legend :
Mr.
Joseph Bramah's Hydrostatic Press. Plans, elevation, sections of the
pump and cylinder. Fig. 1,2. Elevations taken in opposite directions,
AABcc=frame, cc=cast iron piece, B=top cast iron piece, AA=bolts,
E=iron table, F=strong metallic cylinder, D=piston, L=cistern
containing water, h=piston rod, H=lever, g=rod, l=counterbalance, 5.
Section of the pump, b=copper pipe, h=lower extremity of piston rod,
r=screw, MM=barrel of the pump, N=suction valve, k=safety valve, 6.
Metal ring divided into five segments, 7. Leather collar. A
man applying his whole weight can create a pressure of 6000
pounds, nearly three tons.
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Print Specifics:
- Type of print: Copperplate engraving - Original antique print
- Year of printing: not indicated in the print - actual: 1820
- Publisher: Longman, Hurst, Rees, Orme & Brown, London
- Condition: 1 (1. Excellent - 2. Very good - 3. Good - 4. Fair)
- Dimensions: 8 x 10.5 inches (20 x 25 cm), including blank margins (borders) around the image.
- Paper weight: 3 (1. Thick - 2. Heavier - 3. Medium heavy - 4. Slightly heavier - 5. Thin)
- Reverse side: Blank
Notes:
- Green color around the print in the photo is a contrasting background on which the print was photographed.
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