Lot # 113 - Vintage Office Tools Lot Addiator Slide Rule Sharpener Est $250
| Opening Bid : | $ 5.00 |
| Start Date/Time: | 10-Jul-2026 7:00:00 AM |
| End Date/Time: | 20-Jul-2026 8:52:00 PM |
| Current bid: |
0 |
| Highest bidder: | -- |
| This sale will end in: | |
| Bid for this item ! |
|
Description :
Unique vintage office and engineering tools collection featuring several classic calculating and drafting accessories from the pre-digital era. This lot includes a Duplex Addiator mechanical adding calculator with case, a desktop Vacu Hold pencil sharpener, a Mannheim-style slide rule with instruction sheet, two vintage pencils, and additional office accessories shown. A wonderful collection for collectors of engineering instruments, early calculators, office antiques, and mid-century desk accessories. APPROX. MEASUREMENTS CONDITION HISTORICAL NOTE EST. VALUE
Vintage pre-owned condition with expected wear from age and use. Components appear complete for display, though functionality has not been fully tested. Some age toning, scratches, and surface wear are present. Please review photos carefully.
Before electronic calculators, engineers, architects, accountants, and students relied on slide rules and mechanical adding machines like the Addiator to perform calculations quickly. Hand-crank sharpeners such as the Vacu Hold were common fixtures on office and classroom desks throughout the mid-20th century.
$75–150
Auction History
Nobody has placed bid on this auction yet.
PAYMENT DETAILS
Placing a bid constitutes a binding agreement to purchase. If you are the winning bidder, you are required to complete payment and pick up your item(s). Failure to complete a purchase will result in permanent revocation of bidding privileges. Please do not bid unless you intend to follow through with purchase and pickup.
By bidding, you confirm that you are available to retrieve your items during the designated pickup window unless prior shipping arrangements have been approved in advance. Buyers are responsible for bringing any necessary tools, equipment, and assistance required for removal of items. Loading assistance is not available. Some items may be located on upper floors, in outbuildings, or areas requiring stairs.
Invoices will be emailed to winning bidders after the auction has fully closed. Full payment is due by 8:00 PM the day following the auction close. If payment is not received prior to the scheduled pickup date and time, items will be forfeited and bidding privileges revoked.
Pickup details will be included on the invoice emailed after the auction closes. Any items not picked up during the scheduled pickup times will be considered abandoned and may be resold or donated. In limited circumstances, and solely at our discretion, an alternate pickup time may be approved for an additional fee.
A 10% Buyer’s Premium and applicable sales tax will be added to the final hammer price at invoicing. Sales tax will be waived for licensed resellers with valid documentation on file.
Agora Estate Company makes every effort to accurately describe all items. Please expect normal wear consistent with age, use, and history for antique, vintage, and pre-owned pieces. We do not note every minor imperfection. All items are sold AS IS, WHERE IS, with no refunds or returns. Agora Estate Company does not guarantee the working condition of any clock, watch, electronic, or mechanical item. Measurements provided are approximate.
menu