(or laser) equipment can be used to establish the centre line of the shafting system, to give a reference for cutting through bulkheads and machining of the aperture in the stern frame. one method employs a telescope with crosswires, set up on the shaft centre line at the forward end of the double bottom...
(or laser) equipment can be used to establish the centre line of the shafting system, to give a reference for cutting through bulkheads and machining of the aperture in the stern frame. one method employs a telescope with crosswires, set up on the shaft centre line at the forward end of the double bottom...
(or laser) equipment can be used to establish the centre line of the shafting system, to give a reference for cutting through bulkheads and machining of the aperture in the stern frame. one method employs a telescope with crosswires, set up on the shaft centre line at the forward end of the double bottom...
(or laser) equipment can be used to establish the centre line of the shafting system, to give a reference for cutting through bulkheads and machining of the aperture in the stern frame. one method employs a telescope with crosswires, set up on the shaft centre line at the forward end of the double bottom...
in the southern hemisphere and expeditions of the mpia to namibia showed that the gamsberg had the ideal requirements for star gazing. thus the mpia purchased the plateau from the owner, a local farmer, for dm. for the collection of test measurements a small observation ward with a cm telescope and...
new style environmentally friendly plastic product. ) adopts perfect wood-grained printed pvc film, affixed with release paper (liner) by acrylic pressure sensitive adhesive. ) suitable for decorating and beautifying furniture, stereos, walls and all types of wooden surface. ) dimensions: cm x m optical...
the american philosophical society , rittenhouse announced plans to observe a pending transit of venus across the sun from several locations. the american philosophical society persuaded the legislature to grant £ towards the purchase of new telescopes, and members volunteered to man half of the telescope...
of astrinomers above the earth's atmosphere next video " last updated: thursday january when the hubble space telescope (hst) was launched, the union of soviet socialist republic was still around, the berlin wall was standing and, back home, indian quiz masters got a great question ask. it will be three...