The sea-mans dictionary, or, An exposition and demonstration of all the parts and things belonging to a shippe together with an explanation of all the termes and phrases used in the practique of navigation / composed by Henry Manwaring ...

Pumps.

There are three sorts of Pumps used in ships: The first and most common, are ordinary Pumps, such as are used a shore, and th••se doe stand by the maine Mast, the next is a But-Pump, which is not used in English Ships, but Flemmings have them in the sides of their ships, and are called by the name of Bildge, Pumps, because they have broad long floates that doe hold much Bildge-water; The man∣ner of these is to have a staffe, some 6. or 7. foot long, at the end where∣of is a Bur of wood, whereto the Leather is nailed, and this doth serve

in stead of the box: and so two men standing right over the Pump, doe thrust downe this staffe, to the middest whereof is seased a Roape long enough for 6.8. or 10. or more to hale-by, and so they pull it up, and draw the water, this Pump doth deliver more water then the former, and is not so laborious to pump at: The third and last sort, are Chaine-Pumps; these deliver most water, and with most ease, for the Com∣pany, and are soonest mended if any thing faile, having spare Esses, if any chance to give way: these have a Chaine full of Barres and a wheele, which makes it deliver so much, and goe so easily. The terme is for Pumping, to Pump by Spell, and at ordinary, and Bur Pumps, they reckon by the stroakes: As to say, a Spell of ••00. Stroakes: b•…•…t a Chaine-Pump, the Spels goe by Glasses: the Pump suckes, that is, drawes wind, and hath no water that comes to it: There are also Pumps made of a Cane, or else of Lattin, which we put downe into the Caske, to Pump up the drinke: for at Sea, in howld, we use no spic∣ketts.