ANTIQUE FELT & TARRANT COMPTOMETER MECHANICAL ADDING MACHINE CALCULATOR MODEL H
Item History & Price
Reference Number: Avaluer:2854162 |
PROVENANCE:THIS OBJECT IS PART OF A COLLECTION RELATING TO THE HISTORY AND DEVELOPMENT OF CALCULATING DEVICES ASSEMBLED BY ASSOC PROFESSOR ALLAN BROMLEY OF SYDNEY UNIVERSITY, COMPRISING MATHEMATICAL INSTRUMENTS, SLIDE-RULES, MECHANICAL AND ELECTRONIC CALCULATORS, ELECTRONIC ANALOGUE COMPUTERS, COMPUTER COMPONENTS, KIT COMPUTERS, EDUCATION COMPUTERS, AND ASSOCIATED EPHEMERA.ALLAN BROMLEY WAS A LECTURER AND RESEARCHER AT THE UNIVERSITY OF SYDNEY BASSER DEPARTMENT OF COMPUTER SCIENCE FROM 1978 UNTIL HIS UNTIMELY DEATH IN AUGUST 2002. HE SPECIALISED IN COMPUTER ARCHITECTURE, COMPUTER LOGIC AND IN PARTICULAR THE HISTORY OF COMPUTING. HE WAS REGARDED AS THE WORLD AUTHORITY ON CHARLES BABBAGE'S CALCULATING ENGINES (INSTIGATING THE BUILDING OF THE DIFFERENCE ENGINE NO.2 AT THE SCIENCE MUSEUM LONDON) AND THE ANTIKYTHERA MECHANISM AND HAD EXTENSIVE KNOWLEDGE OF CALCULATORS, ANALOGUE COMPUTERS, LOGIC, STEREOPSIS, TOTALISATORS, CLOCKS AND TIME KEEPING AND MECHANICAL ENGINEERING.POSTAGE:FOR DOMESTIC CUSTOMERS, ALL OUR PARCELS/ITEM WILL BE POSTED BY REGULAR POST UNLESS OTHERWISE REQUESTED AND THERE WILL BE AN ADDITIONAL CHARGE. COMBINED POSTAGE IS PROVIDED. PAYMENT: AUSTRALIAN CUSTOMERSWE ACCEPT PAYMENT BY PAYPAL. LOCAL PICK UP IS WELCOME. INTERNATIONAL CUSTOMERSWE ACCEPT PAYMENT BY PAYPAL. WE DO NOT ACCEPT INTERNATIONAL MONEY ORDERS OR US CHECKS. FREE COLLECTION IS AVAILABLE, CONTACT US FOR DETAILS (SYDNEY) (7 DAYS)ITEMS CAN BE COLLECTED AFTER THE AUCTION OR SALE IS COMPLETED. TERMS AND CONDITIONS:PROMPT PAYMENT IS EXPECTED. "BUY IT NOW" IS PAY NOW BY PAYPAL. CONTACT MUST BE MADE WITHIN 2 DAYS OF THE CLOSE OF AUCTION OR SALE. ALL PAYMENT MUST BE RECEIVED WITHIN 3 DAYS OF CLOSE OF AUCTION OR SALE, UNLESS OTHER ARRANGEMENTS HAVE BEEN MADE. THE ITEM WILL BE POSTED AS SOON AS MONEY IS RECEIVED AND CLEARED. REGISTERED POST IS AVAILABLE, EMAIL FOR A QUOTE. ANY QUESTIONS OR PROBLEMS PLEASE CONTACT US. WE LEAVE FEEDBACK ON EVERY TRANSACTION A FULL REFUND WILL BE GIVEN IF ITEM IS INCORRECTLY DESCRIBED WHEN BUYING MULTIPLE ITEMS:IF YOU HAVE PURCHASED MULTIPLE ITEMS FROM US, PLEASE DO NOT AUTOMATICALLY PAY THE CALCULATED CHARGES PER ITEM, BUT RATHER CONTACT US POST-SALE SO THAT WE CAN CALCULATE THE ACTUAL AND MUCH-REDUCED COST OF THE COMBINED SHIPMENT. IF YOU HAVE PURCHASED AN ITEM FROM US, BUT ARE STILL BIDDING OR WISHING TO BID ON OTHER OF OUR ITEMS, PLEASE ADVISE US AND WE WILL DEFER SETTLEMENT ON THE PURCHASED ITEM(S) FOR UP TO TEN DAYS MAXIMUM SO YOU CAN SEE WHETHER YOUR OTHER BID WAS SUCCESSFUL, AND THUS MAKE SIMILAR SAVINGS ON CONSOLIDATED SHIPPING OF THE TWO OR MORE ITEMS. YOU MAY, OF COURSE, ELECT TO SIMPLY PAY FOR EACH ITEM AS PURCHASED WITH ITS INDIVIDUAL POSTAGE/SHIPPING COST.EBAY BACK BOOKSHELVES
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