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i FI RST CONCRETE PRODUCTION PLATFORMS The first concrete product=on platform for use =n North-Sea petroleum operations =s at present under construction m Stavanger, Norway for dehvery to Mobd late m 1975 A special dry dock has been excavated in w h c h the first of these socalled "'condeeps'" wdl be budt It will consist of 19 hollow concrete cyhnders and ~s des4gned for a sea depth of 200 m There wdl be some 4,000 m 2 of working surface avadabte m t w o decks A b o u t 45,000 m ~ of cement and 6,000 tons of steel reinforcement wdl be employed (Information supphed by AtlasCopco Nederland B V )
Newto AssistYou SOIL A N D ROCK SEISMOGRAPHS Descriptive brochure, data sheets, accessories and price reformation on a full line of hand-portable, field exploration smsmographs ~s avadable f r o m B~son Instruments, Inc The Bison 1510 =s the first pocket digital seismograph designed to fit the needs of today's dirt movers, drillers, plpehners and quarry operators The Bison 1550 isan ad vanced s~gnal enhancement seismograph weighing less than 10 pounds, featuring m=mcomputer memory The Bison 1570C is the latest version of the world-recognized signal enhancement smsmograph, featuring the latest m sohd state electronics, long battery hfe and time delay functions Bison 1575B offers the largest avadable mm~com puter memory found =n hand-portable seismographs It also allows wide versatd~ty through a 360 ° mampulatable analog CRT readout All smsmographs come complete with the " H a n d b o o k of Engineering Geophysics" written by Dr Harold M Mooney For further detads contact B~son Instru ments, I n c , 5708 West 36th Street, Mmnea pohs, Mmn 55416, U S A
A MI N I A T U R E PLAN ETARI UM The Hellos miniature planetar,um -- an orrery with perspex star-domes -- prowdes a working model of the planetary system moving in relation to the "f~xed" stars It has a circular base with degrees, calendar months and zodiac signs engraved on clr-
96
cumferent=at rings round its rim These are used for setting the planets ~n the=r correct pos=t;on for any particular year and m o n t h The settings for 1 9 7 1 - 8 0 are given m the teaching h a n d b o o k supphed, others may be derived f r o m almanacs Sfx tuner planets Mercury to Saturn -- revolve m c~rcular or b~ts round a central dlummated sun at their correct relattve speeds They are drtven electrically, using a 6-V d c supply, and controlled for absolute speed and direction of rotation f r o m a small control panel attached to the base By fitting star-domes, one each for northern and southern hem=spheres, the movement of the planets can be seen m relation to the major stars and constella t~ons, hnes of r=ght ascens=on and dechna tion, the echpt~e and the celestial equator, all of which are engraved on each dome A l t e r n a t w e l y , the sun--planet system can be replaced by a moon--earth system and used to demonstrate day and mght, the seasons, the effect of the sun on chmate, the phases of the moon, partial and total echpses and, with star domes in posit=on, the effect of seasons on the vJs~bd=ty of constellations Th~s arrangement ~s also a valuable i n t r o d u c t i o n to stellar nav=gat=on Further ~nformat¢on f r o m Cochranesof O x f o r d L t d , Faarspear House, Leafield, O x f o r d O X 8 5NT, England
both moisture and density are shown on a single dial, telhng =mmed=ately whether constructlon w o r k =s meeting compact;on and moisture-control spemflcatlons No air gap stand Is needed since the NIC-5 dualgauge des=gn cancels the effect of chemical c o m p o s~t~on on the final density reading Both Enghsh-measure and metr=c scales are avadable Point of testing is either at or below the surface, depending on the model and t y p e of measurement needed Measurements are made =n both the backscatter and directtransmission modes Rechargeable batteries supply power Circu=try Is all sohd-state The case of the 23-pound instrument =s alu m i n u m and molded fiberglass For further detads contact Sodtest, I n c , 2 2 0 5 Lee Street, Evanston, III 60202, USA
NEW XRF SAMPLE CUP NUCLEAR MOISTURE DENSITY METERS Non-destructive instruments for measur =ng the density and mo=sture of soils, stab~hzed sods, and aggregates as well as the dens=ty of asphalt mixtures Readings are available in just one minute Indmatlons for
A new d~sposable p o l y p r o p y l e n e sample cup permits X-ray spectroscopic analys~s of liquid, powdered, solid and slurry samples in air, vacuum or helium The X R F Sample Cup is used f o r upright or inverted optics, dispersive or non-d~sperslve instruments, manually operated or automated systems and for optmal emission analys~s w~th a rotating electrode
97 Spemal features include an etched area for sample identification markmgs and prows~on for mounting m~cro samples, mternal reference standards, and thin-film evaporated droplet or powdered samples Supphed complete wtth polypropylene Snap-On Rtngs and Collars for affixing Chemplex 2 5, 3 6 and 6 3 micron gauge X-Ray Mylar Fdm For further details contact Chemplex Industries, I n c , 34 Bradley Road, Scarsdale, N Y 10583, U S A
NEW S O U R C E I N D E X Chemical Abstracts Serwce announces the mtroductlon of the new Chemical Abstracts Serwce Source Index ("CASSI") This is a cumulative mdex from 1970-1974, which wdt be kept up-to-date by quaterly supplements, to enable scientists and hbranans to trace sources of avadable hterature which is not readdy accessfble to them Three hundred and ntnety nme hbrarles in 28 countries have inventoried their holdings m the most-rated journals Full bibhographical detads of all these serial pubhca t=ons are given with usual abbrewatlons and codes, detads of hbrary holdmgs, mforma tion about tear-sheet services, e t c , etc These enable the reader to be able to ident~ fy, locate and obtam reformat=on pubhshed throughout the world with a m i m m u m loss of ttme The Index ~s also avadable =n computer-readable form, also updated four times per year Further detads can be obtamed f r o m The Marketmg D e p t , Chemical Abstracts Service, The Ohio State Umverslty, Colum bus, Ohio 43210, U S A
rors The measurement of these values and their exact analys~s ts an essenttal factor m the o p t i m u m selection of data hnes and m general studies of network quaht~es Two measurmg mstruments developed by S~eTens, the tmpulse noise counter 4 H82 and the mterruptlon analyzer4 H81, are ideal for such fundamental network evaluation As they automatically record the measured values, they can also be used for m a t t e nance or t r o u b l e s h o o t m g The results of both instruments are displayed on the budtm digital display panel or prmted out on a teleprmter For more reformation contact Stemens Akt~engesellschaft, D-8520 Erlangen, Postfach 3240, F R G
NEW L A B O R A T O R Y RECORDERS DISTURBANCES ON DATA LINES In data networks the higher transmission speeds cause dtsturbmg mfluences on the hnes to have a far greater effect on the transmission quahty than In teleprmter networks Instruments must therefore be used t o record norse pulses and tnterrupttons, as these are m a t reasons for transmission er-
Smtths Industries Limited have introduced a new series of " V e n t u r e " data pro cessmg mstruments These are the "Men ture" data loggers, digital mtegrators (fully automatic for gas/fluid chromatograph)and btobndge impedlometers (for accurate measurements of changes m electrical ~mped ance of hqwds) The loggers and playback
98
umts, for use wDth most analyt=c mstruments are avadable w=th four or etght channels These tnstrumentS are dest=ned for a wide range of uses in chem=cal, environmental and ~ndustr~al research For further detatls contact Smiths In dustrles L~m~ted, Industrial Instruments D=v=sDon, Waterloo Road, Cr=cklewood, London NW27UR, England
FI ELD CONDUCTIVITY METER The F~eld Conductw=ty Meter Model FCM 100 has been developed as a simple to use, portable, wide-range mstrument whtch provides direct visual or recorded and v~sual
readout of Conductw~ty and Temperature The stainless steel probe umt contatns an electrodeless, non corrodible ~nducttve sensor, unaffected by corrostve solutions, odladen liquids or slurries It is connected to an mternally powered splashproof readout umt by waterproof cable In Engmeermg and Fteld Surveys it may typically be used to estimate sahmtles ~n both portable and momtormg modes for ground and ~rngat~on waters, drdhng muds and effluents etc, over a range of 0--60,000 ppt NaCI equivalent at 30°C, or for greater concentrations at lower temperatures For further details contact Robertson Research International Limlted, Ty'n-yCoed, Llanrhos, Llandudno North Wales, GB
Newto AssistYou SOIL A N D ROCK SEISMOGRAPHS Descriptive brochure, data sheets, accessories and price reformation on a full line of hand-portable, field exploration smsmographs ~s avadable f r o m B~son Instruments, Inc The Bison 1510 =s the first pocket digital seismograph designed to fit the needs of today's dirt movers, drillers, plpehners and quarry operators The Bison 1550 isan ad vanced s~gnal enhancement seismograph weighing less than 10 pounds, featuring m=mcomputer memory The Bison 1570C is the latest version of the world-recognized signal enhancement smsmograph, featuring the latest m sohd state electronics, long battery hfe and time delay functions Bison 1575B offers the largest avadable mm~com puter memory found =n hand-portable seismographs It also allows wide versatd~ty through a 360 ° mampulatable analog CRT readout All smsmographs come complete with the " H a n d b o o k of Engineering Geophysics" written by Dr Harold M Mooney For further detads contact B~son Instru ments, I n c , 5708 West 36th Street, Mmnea pohs, Mmn 55416, U S A
A MI N I A T U R E PLAN ETARI UM The Hellos miniature planetar,um -- an orrery with perspex star-domes -- prowdes a working model of the planetary system moving in relation to the "f~xed" stars It has a circular base with degrees, calendar months and zodiac signs engraved on clr-
96
cumferent=at rings round its rim These are used for setting the planets ~n the=r correct pos=t;on for any particular year and m o n t h The settings for 1 9 7 1 - 8 0 are given m the teaching h a n d b o o k supphed, others may be derived f r o m almanacs Sfx tuner planets Mercury to Saturn -- revolve m c~rcular or b~ts round a central dlummated sun at their correct relattve speeds They are drtven electrically, using a 6-V d c supply, and controlled for absolute speed and direction of rotation f r o m a small control panel attached to the base By fitting star-domes, one each for northern and southern hem=spheres, the movement of the planets can be seen m relation to the major stars and constella t~ons, hnes of r=ght ascens=on and dechna tion, the echpt~e and the celestial equator, all of which are engraved on each dome A l t e r n a t w e l y , the sun--planet system can be replaced by a moon--earth system and used to demonstrate day and mght, the seasons, the effect of the sun on chmate, the phases of the moon, partial and total echpses and, with star domes in posit=on, the effect of seasons on the vJs~bd=ty of constellations Th~s arrangement ~s also a valuable i n t r o d u c t i o n to stellar nav=gat=on Further ~nformat¢on f r o m Cochranesof O x f o r d L t d , Faarspear House, Leafield, O x f o r d O X 8 5NT, England
both moisture and density are shown on a single dial, telhng =mmed=ately whether constructlon w o r k =s meeting compact;on and moisture-control spemflcatlons No air gap stand Is needed since the NIC-5 dualgauge des=gn cancels the effect of chemical c o m p o s~t~on on the final density reading Both Enghsh-measure and metr=c scales are avadable Point of testing is either at or below the surface, depending on the model and t y p e of measurement needed Measurements are made =n both the backscatter and directtransmission modes Rechargeable batteries supply power Circu=try Is all sohd-state The case of the 23-pound instrument =s alu m i n u m and molded fiberglass For further detads contact Sodtest, I n c , 2 2 0 5 Lee Street, Evanston, III 60202, USA
NEW XRF SAMPLE CUP NUCLEAR MOISTURE DENSITY METERS Non-destructive instruments for measur =ng the density and mo=sture of soils, stab~hzed sods, and aggregates as well as the dens=ty of asphalt mixtures Readings are available in just one minute Indmatlons for
A new d~sposable p o l y p r o p y l e n e sample cup permits X-ray spectroscopic analys~s of liquid, powdered, solid and slurry samples in air, vacuum or helium The X R F Sample Cup is used f o r upright or inverted optics, dispersive or non-d~sperslve instruments, manually operated or automated systems and for optmal emission analys~s w~th a rotating electrode
97 Spemal features include an etched area for sample identification markmgs and prows~on for mounting m~cro samples, mternal reference standards, and thin-film evaporated droplet or powdered samples Supphed complete wtth polypropylene Snap-On Rtngs and Collars for affixing Chemplex 2 5, 3 6 and 6 3 micron gauge X-Ray Mylar Fdm For further details contact Chemplex Industries, I n c , 34 Bradley Road, Scarsdale, N Y 10583, U S A
NEW S O U R C E I N D E X Chemical Abstracts Serwce announces the mtroductlon of the new Chemical Abstracts Serwce Source Index ("CASSI") This is a cumulative mdex from 1970-1974, which wdt be kept up-to-date by quaterly supplements, to enable scientists and hbranans to trace sources of avadable hterature which is not readdy accessfble to them Three hundred and ntnety nme hbrarles in 28 countries have inventoried their holdings m the most-rated journals Full bibhographical detads of all these serial pubhca t=ons are given with usual abbrewatlons and codes, detads of hbrary holdmgs, mforma tion about tear-sheet services, e t c , etc These enable the reader to be able to ident~ fy, locate and obtam reformat=on pubhshed throughout the world with a m i m m u m loss of ttme The Index ~s also avadable =n computer-readable form, also updated four times per year Further detads can be obtamed f r o m The Marketmg D e p t , Chemical Abstracts Service, The Ohio State Umverslty, Colum bus, Ohio 43210, U S A
rors The measurement of these values and their exact analys~s ts an essenttal factor m the o p t i m u m selection of data hnes and m general studies of network quaht~es Two measurmg mstruments developed by S~eTens, the tmpulse noise counter 4 H82 and the mterruptlon analyzer4 H81, are ideal for such fundamental network evaluation As they automatically record the measured values, they can also be used for m a t t e nance or t r o u b l e s h o o t m g The results of both instruments are displayed on the budtm digital display panel or prmted out on a teleprmter For more reformation contact Stemens Akt~engesellschaft, D-8520 Erlangen, Postfach 3240, F R G
NEW L A B O R A T O R Y RECORDERS DISTURBANCES ON DATA LINES In data networks the higher transmission speeds cause dtsturbmg mfluences on the hnes to have a far greater effect on the transmission quahty than In teleprmter networks Instruments must therefore be used t o record norse pulses and tnterrupttons, as these are m a t reasons for transmission er-
Smtths Industries Limited have introduced a new series of " V e n t u r e " data pro cessmg mstruments These are the "Men ture" data loggers, digital mtegrators (fully automatic for gas/fluid chromatograph)and btobndge impedlometers (for accurate measurements of changes m electrical ~mped ance of hqwds) The loggers and playback
98
umts, for use wDth most analyt=c mstruments are avadable w=th four or etght channels These tnstrumentS are dest=ned for a wide range of uses in chem=cal, environmental and ~ndustr~al research For further detatls contact Smiths In dustrles L~m~ted, Industrial Instruments D=v=sDon, Waterloo Road, Cr=cklewood, London NW27UR, England
FI ELD CONDUCTIVITY METER The F~eld Conductw=ty Meter Model FCM 100 has been developed as a simple to use, portable, wide-range mstrument whtch provides direct visual or recorded and v~sual
readout of Conductw~ty and Temperature The stainless steel probe umt contatns an electrodeless, non corrodible ~nducttve sensor, unaffected by corrostve solutions, odladen liquids or slurries It is connected to an mternally powered splashproof readout umt by waterproof cable In Engmeermg and Fteld Surveys it may typically be used to estimate sahmtles ~n both portable and momtormg modes for ground and ~rngat~on waters, drdhng muds and effluents etc, over a range of 0--60,000 ppt NaCI equivalent at 30°C, or for greater concentrations at lower temperatures For further details contact Robertson Research International Limlted, Ty'n-yCoed, Llanrhos, Llandudno North Wales, GB