Showing 224 items
matching mortar
-
Warrnambool RSL Sub Branch
3 inch Mortar Tail Fin, Unknown
UnknownMade of steel it has a cone shape were is screws onto the bomb and cylinder section which has 6 fins attached On one of the fins there appears No 9 MA 54bomb tail fin -
Running Rabbits Military Museum operated by the Upwey Belgrave RSL Sub Branch
Mortar Bomb
6 inchammunition -
Running Rabbits Military Museum operated by the Upwey Belgrave RSL Sub Branch
Mortar Bomb
6 inch. Converted to a door stopammunition -
Running Rabbits Military Museum operated by the Upwey Belgrave RSL Sub Branch
Mortar Shell
Motar Shell No.68 A.T. III -R.B.D. 1942. ( Found on hard rubbish collection.)ammunition, ww2, army -
Coal Creek Community Park & Museum
Mortar and Pastel
Rusted -
Bendigo Historical Society Inc.
Tool - MERCURY BUCKET
Cast iron mercury bucket, used to hold mercury, potentially in the process of recovering minute pieces of gold mixed in soil and sediments. See research page for description of one process of using mercury to extract gold.gold mines, mining equipment, mercury bucket, miners used mercury in a number of ways to amalgamate gold, with each mill or battery operator having their preferred method depending on the nature of the ore. by the late 1850s the most common way of crushing goldbearing quartz ores or consolidated alluvial cements was in a stamp battery. the battery featured heavy iron stamp heads held in a frame, with each head often weighing up to 500 pounds (226 kg) or more (see msv 1880, page 45) (birrell 2005). stamp heads were lifted and dropped by a rotating overhead cam shaft driven by a steam engine or water wheel. ore was fed into a large cast-iron battery box, mixed with a steady stream of water, and pulverised by the stamp heads. in some batteries, mercury was placed in the base of the boxes to amalgamate with freed gold. the violent agitation of the mercury in the mortar box, however, could cause the mercury to break into myriad tiny globules that were carried away by the water with the tailings, thus losing a certain amount of gold in the process (thompson 1867; ritchie & hooker 1997). the water and sand slurry was splashed by the falling stamps from the box through fine mesh screens and onto inclined wooden tables below the mortar box (figure 2). the tables were covered with copper sheets or plates coated with mercury, which caught and amalgamated with a portion of the gold. the grey putty-like amalgam was periodically scraped off the sheets and retorted in a furnace to collect the gold and recover the mercury for reuse. mercury was inevitably lost from the plates, while poor maintenance resulted in further losses of gold and mercury in the tailings. mercury use and loss from gold mining in 19th century victoria. peter davies1, susan lawrence, and jodi turnbull, department of archaeology and history, la trobe university. -
National Vietnam Veterans Museum (NVVM)
Photograph, 81mm mortarts and 2.75 inch rockets recovered from Dan Nang harbour after ammunition barge fire 1971
81mm mortarts and 2.75 inch rockets recovered from Dan Nang harbour after ammunition barge fire 1971photograph., rockets, mortars -
Geoffrey Kaye Museum of Anaesthetic History
Memorabilia - Pestle and Mortar
There has been a fair amount of confusion about this object as the paperwork states that a 'greenstone' gavel with a maori head carving and plaque mounted on green nephrite stone' was gifted when in fact the gavel is made of wood with a silver plaque. There has been no suggestion made as to what happened to the greenstone gavel. We can assume that it was lost or stolen and replaced with a plain wooden one that we now hold at ANZCA. From the attached plaque the Gavel was gifted to the Faculty of Anaesthetists by the New Zealand Fellows of the Faculty in 1965. Plain highly polished wooden pestle sits on a central walnut block on a flat wooden board, a silver plaque is attached on a piece of nephrite stone to one side of the board.[silver plaque] PRESENTED BY THE / NEW ZEALAND FELLOWS / 1965 [in black ink on back of stand] 1992/9aotearoa, new zealand, wood, nephrite, corporate gift -
Ballarat RSL Sub-Branch Inc.
Grenade / Mortar round - Italian
Italian Brixia 45mmsecond world war (ww2), 1939 - 1945, weapons, ballarat rsl, ballarat -
Ballarat RSL Sub-Branch Inc.
Mortar Bomb - S&W AB 4/42 Z
second world war (ww2), 1939 - 1945, weapons, ballarat rsl, ballarat -
Ballarat RSL Sub-Branch Inc.
Grenade / Mortar round - Italian
Red Devilweapons, ballarat rsl, ballarat -
Ballarat RSL Sub-Branch Inc.
Genade / Mortar round (Base only) - Italian
weapons, ballarat rsl, ballarat -
Ballarat RSL Sub-Branch Inc.
Container for 81mm Mortar Round
Numerous markings on side, B.20 BMY-10-67second world war (ww2), 1939 - 1945, weapons, ballarat rsl, ballarat -
Ballarat RSL Sub-Branch Inc.
Container - 81mm Mortar
Numerous markings on side, LOT JA-1-19/11second world war (ww2), 1939 - 1945, weapons, ballarat rsl, ballarat