MDA Waterways Object Name Thesaurus
0-9, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z [Contents]

G cramp
A general term for cramps made in the form of the letter G, used for all types of holding and assembling.

CL tools and equipmentLink to hierachy
BT crampLink to term


gabbart
The typical Scottish sailing barge from which most Scottish Canal craft were developed. A long narrow flat vessel or lighter with a hatchway extending almost the full length of the decks, sometimes fitted with masts that may be lowered to pass under bridges.' (Youngs Nautical Dictionary 1863). Sloop rigged sailing craft, size 60ft x 13ft 6 inches, designed for the river Clyde.

CL transportLink to hierachy
BT Scottish bargeLink to term
RT scowLink to term


gaff
A long spar of wood or metal. Usually circular in cross section, to which is fastened the upper edge of a sail.

CL componentsLink to hierachy
BT mast and spar componentLink to term
RT bobbinLink to term
NT sparLink to term


game block
A slotted block used to hold a plank while boring it from edge to edge. It was often made from an old rudder stock, the slot being cut by sawing into the hole for the tiller. The plank would be held in by a wedge and the whole block could be chocked up at an angle to suit the operator. the plank would be moved through the slot as the work progressed.

CL tools and equipmentLink to hierachy
BT boatbuilding equipmentLink to term


gang lighter
Boats working with other lighters in a specific train.

CL transportLink to hierachy
BT barges designed to work in multiple unitsLink to term


gansey
Woollen jersey, name derived from 'Guernsey' type jersey knitted for boatmen as for fishermen. Worn on Leeds and Liverpool Canal and on Birmingham Canals.

CL costumeLink to hierachy


garboard strake
The lowest strake of planking adjoining the keel.

CL componentsLink to hierachy
BT strakeLink to term


gate
Bar across a rowlock to retain an oar.

CL componentsLink to hierachy
BT human powered propulsion system componentLink to term


gauging stick
A measuring device used to calculate the tonnage that a boat was carrying. A graduated stick would be placed over the side of the boat with a bracket resting on the gunwhale so that the 'dry inches' above the waterline could be measured.

CL tools and equipmentLink to hierachy
BT measuring equipmentLink to term
NT float type gauging stickLink to term
NT folding gauging stickLink to term


gear
Collective term for the harness, collar etc of a boat horse, mule or donkey.

UF tack (equine equipment)Link to term
CL tools and equipmentLink to hierachy
CL componentsLink to hierachy
BT equine equipmentLink to term
BT equine powered propulsion system componentLink to term


gig
Open rowing boat. Of clinker build with a straight sheer or sides below the gunwales. At one time popular on inland waterways and in harbours, especially on the Thames, although declining in popularity from the 1860s.

CL transportLink to hierachy
BT human powered boatLink to term
BT recreational craftLink to term


gimbal
Pivoted rings used for keeping things, eg. a compass, horizontal in a moving vessel such as a ship.

CL componentsLink to hierachy
BT above decks watercraft componentLink to term
RT ship's compassLink to term


gin block
A single sheave open framed pulley block for cargo lifting purposes.

CL componentsLink to hierachy
BT cargo handling system componentLink to term


girder chain
A length of chain fitted across the width of the hold of a narrow boat,usually below the beams, and fitted with a rigging screw to enable the chain to be tightened or slackened. The chains and beams provide rigidity for the hold of the boat.

CL componentsLink to hierachy
BT above decks watercraft componentLink to term
RT rigging screwLink to term


girder strings
The strings used to secure the running planks of a narrow boat in place.

CL componentsLink to hierachy
BT above decks watercraft componentLink to term
RT running planksLink to term


girth strap

USE belly bandLink to term


Glamorganshire Canal boat
Double ended boat 60ft x 8ft 6in loading to 20 tons on a draught of 2ft 9in often with a simple day cabin.

CL transportLink to hierachy
BT Welsh narrow boatLink to term


Glamorganshire Canal boat number plate
Painted tinplate sign with the boat registration number on it, roughly 1ft square with irregular corners.

CL tools and equipmentLink to hierachy
BT boat plateLink to term


Glasgow Paisley Ardrossan boat
Very little known. Cargo fly boat, 74ft 4 inches long.

CL transportLink to hierachy
BT miscellaneous cargo craft typesLink to term


globe lamp
Lamps with a large globular glass surrounding an oil burner, usually with a circular oil reservoir below with shaped wire glass protectors affixed.

CL tools and equipmentLink to hierachy
BT boat lighting equipmentLink to term
BT ship's lampLink to term


gouge
Cutting chisels having a long, curved blade; used for hollowing out wood, or for making holes, channels, or grooves in wood or stone.Used by shipwrights.

CL tools and equipmentLink to hierachy
BT boatbuilding equipmentLink to term
BT cutting equipmentLink to term
BT woodworking equipmentLink to term


grab bucket
A bucket in two halves, capable of being mechanically opened and closed to pick up loose materials.

CL componentsLink to hierachy
BT cargo handling system componentLink to term


grab dredger
A dredger with a crane operated set of jaws lifting individual portions of materials.

UF clamshellLink to term
CL transportLink to hierachy
BT dredgerLink to term


grafting spade
A digging tool used for trenching.

CL tools and equipmentLink to hierachy
BT canal construction equipmentLink to term


Grand Union Canal tub boat
Built in 1932 for the Grand Union Canal Company by Peter Brotherhood of Peterborough. 18ft x 7ft x 4ft 6in with a 10 ton capacity. Experimental and never used in service.

CL transportLink to hierachy
BT tub boatLink to term


Grand Union Canal wide boat
72ft x around 11ft wide built to narrow boat style usually 7ft wide at the bottoms with the hull widening above

CL transportLink to hierachy
BT miscellaneous cargo craft typesLink to term


Grand Western and Chard Canal tub boat
Tubs 26ft x 6ft 6in carried 10 tons on a draught of 2ft 3in. There were pointed bows on the first ones which carried 8 tons. In use on the Chard Canal until 1867. The last pair of boats operated on the Grand Western Canal Barge Section until 1924.

CL transportLink to hierachy
BT tub boatLink to term


grapnel

USE grappling ironLink to term


grapnel anchor
An anchor consisting of multiple prongs joined at their bases to a shank and ring.

CL tools and equipmentLink to hierachy
BT anchorLink to term


grappling iron
A hook with multiple prongs joined at their bases to a ring and shank, and measuring 10-15 inches overall. Used for retrieving things from the canal e.g. dead animals or rope and for moving sacks.

UF grapnelLink to term
CL tools and equipmentLink to hierachy
BT salvaging equipmentLink to term


ground anchor

USE rond anchorLink to term


grounds
Timbers which support and on to which the shutts planking is fastened on a narrow boat.

CL componentsLink to hierachy
BT below decks watercraft componentLink to term
RT shuttsLink to term


guard iron
Usually metal strips, convex in a D section, fastened to the sides and ends of wooden or metal vessels to provide protection from impact and abrasion.

UF rubbing strakeLink to term
CL componentsLink to hierachy
BT below decks watercraft componentLink to term


guard nail

USE countersunk head nailLink to term


gun punt
Used for wildfowling, a double-ended flat bottomed dinghy evolved, normally clinker built of wood and mounting a fixed gun. Aim was usually by pointing the gun punt by means of extra paddles like table tennis bats.

CL transportLink to hierachy
BT puntLink to term


gunnel

USE gunwhaleLink to term


gunwhale
Pronounced 'gunnel' the upper edge or top side of a boat or ship above the waterline; so named as cannon on early warships were fired above the 'whale' or upper line.

UF gunnelLink to term
CL componentsLink to hierachy
BT above decks watercraft componentLink to term
RT blopping boardLink to term


gusset
A metal plate, usually triangular, used to join two structural members to each other at right angles.

CL componentsLink to hierachy
BT below decks watercraft componentLink to term


Gwauncaegurwen mine boat
Boats used to carry men and coal from the mine at Gwauncaegurwen at the head of the Upper Clydach River.

CL transportLink to hierachy
BT mine boatLink to term



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