<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-07-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000006284</issuerCik>
        <issuerName>ANALOGIC CORP</issuerName>
        <issuerTradingSymbol>ALOG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001237302</rptOwnerCik>
            <rptOwnerName>GORDON BERNARD M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
            <footnoteId id="F1"/>
        </securityTitle>
        <transactionDate>
            <value>2003-07-08</value>
            <footnoteId id="F2"/>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>5000</value>
            </transactionShares>
            <transactionValue>
                <value>49.3291</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>2486392</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>by Trust 12/19/86</value>
                <footnoteId id="F3"/>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
            <footnoteId id="F1"/>
        </securityTitle>
        <transactionDate>
            <value>2003-07-09</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>5000</value>
            </transactionShares>
            <transactionValue>
                <value>49.5313</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>2481392</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>by Trust 12/19/86</value>
                <footnoteId id="F3"/>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">ALL SHARES INVOLVED IN THE TRANSACTION REPORTED ON THIS FORM WERE SOLD BY THE BERNARD M. GORDON  CHARITABLE REMAINDER UNITRUST (THE &quot;UNITRUST&quot;) OF WHICH MR. GORDON IS A CO-TRUSTEE.  THE UNITRUST HAS FILED TODAY A SEPARATE FORM 4 COVERING THE SAME TRANSACTION AND SHARES REPORTED ON THIS FORM.  MR. GORDON IS REQUIRED TO MAKE THIS FILING UNDER APPLICABLE SEC REGULATIONS.</footnote>
        <footnote id="F2">The date in box 3 above should be the same as the date in this box 2, which is the date on which this transaction actually took place.  It is not the same due to limitations in the program used to generate this report.</footnote>
        <footnote id="F3">CO-TRUSTEE &amp; BENEFICIARY OF THE BERNARD M. GORDON CHARITABLE REMAINDER UNITRUST DATED DECEMBER 19, 1986</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Julian Soshnick, by Power of Attorney  For: Bernard M. Gordon</signatureName>
        <signatureDate>2003-07-09</signatureDate>
    </ownerSignature>

</ownershipDocument>

