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1944 The Polyphase Slide Rule No. N4053 Self-Teaching Manual by Breckenridge

£20.67 GBP
£21.75 More info
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Seller handling time is 2 business days Details
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Ships from United States Us

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OBO - Seller accepts offers on this item. Details

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Full refund available within 30 days

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Shipping options

Seller handling time is 2 business days Details
No shipping price specified to GB
Ships from United States Us

Offer policy

OBO - Seller accepts offers on this item. Details

Return policy

Full refund available within 30 days

Purchase protection

Payment options

PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted

Item traits

Category:

Slide Rules

Quantity Available:

Only one in stock, order soon

Condition:

Used

Brand:

Unbranded

Time Period Manufactured:

1944

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View seller policies

Shipping discount:

No combined shipping offered

Posted for sale:

More than a week ago

Item number:

1709851512

Item description

1540. 1944 The Polyphase Slide Rule No. N4053 Self-Teaching Manual by Breckenridge. There is discoloration on the covers and on some pages. Doesn?t affect use of the book. Overall in good condition. Always consider offers. The product is an original 1944 Keuffel Esser Polyphase Slide Rule No N4053 with a manual. This 1944 edition of ?The Polyphase Slide Rule No. N4053? by Breckenridge is a self-teaching manual designed to simplify the use of slide rules for engineering and mathematical calculations. A rare and valuable resource for collectors, engineers, and math enthusiasts, this manual provides historical insight into mid-20th-century technical tools and education.