 | Thomas Gill (patent-agent) - 1771 - 426 Seiten
...by printers), to prevent it becoming hard. The description thus given is with reference to moulding those bodies which cannot be so done by any other...any other principle require many. DOUGLAS Fox. The specimens accompanying Mr. Fox's communication were casts of a deer's horn, and of a calculous concretion,... | |
 | Royal Society of Arts (Great Britain) - 1825 - 946 Seiten
...by printers), to prevent it becoming hard. The description thus given is with reference to moulding those bodies which cannot be so done by any other...any other principle require many. DOUGLAS Fox. The specimens accompanying Mr. Fox's communication were casts of a deer's horn, and of a calculous concretion,... | |
 | 1827 - 426 Seiten
...by printers), to prevent it becoming hard. The description thus given is with reference to moulding those bodies which cannot be so done by any other...invention.} New Scale and Protracter, Invented by MB. TWITCHELL, of Philadelphia. THIS instrument consists of a circle, marked with lines ofsiues, tangents,... | |
 | 1827 - 532 Seiten
...it becoming hard. JAN. — MARCH, 1827. Q The description thus given is with reference to moulding those bodies which cannot be so done by any other...facilitate casting in many departments, as a mould may be frequently taken by this method in two or three pieces, which would, on any other principle, require... | |
 | 1842 - 496 Seiten
...hard. The description thus given is with reference to moulding those bodies which cannot be so well done by any other than an elastic mould ; but glue...facilitate casting in many departments, as a mould may be frequently taken by this method in two or three pieces, which would, on any other principle, require... | |
 | Andrew Ure - 1844 - 756 Seiten
...by printers) to prevent it becoming hard. The description thus given is with reference lo moulding those bodies which cannot be so done by any other...facilitate casting in many departments, as a mould may be frequently taken by this method in two or three pieces, which would on any other principle require... | |
 | Andrew Ure - 1856 - 1140 Seiten
...found greatly to facilitate casting in many departments, as a mould may be frequently taken by tint method in two or three pieces, which would, on any other principle, require many. CAST-IRON SCOURING. CasWron surfaces are said to be easily scoured by adding a little of any kind of... | |
 | Tilton, J.E. & Co - 1864 - 128 Seiten
...hard. The description thus given is with reference to casting those bodies which cannot be so well done by any other than an elastic mould ; but glue...facilitate casting in many departments, as a mould may be frequently taken by this method in two or three pieces, which would, on any other principle, require... | |
 | 1856 - 1252 Seiten
...reference to casting those bodies which cannot be so well done by any other than an elastic mould ; hut glue moulds will be found greatly to facilitate casting in many departments, as a mould may be frequently taken by this method in two or three pieces, which would, ou any other principle, require... | |
| |
Where the moulds are not used soon after being made, treacle should be previously mixed with the glue (as employed by printers), to prevent it becoming hard. The description thus given is with reference to moulding those bodies which cannot be so done... 