# LKB Bromma 7800 Knifemaker
**Model:** 7800 (also referenced as 7800B) | **Brand:** LKB Bromma

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## Item Description

LKB Bromma 7800 Knifemaker — the industry-standard glass knife maker for ultramicrotomy. Used to produce high-quality triangular glass knives from plate glass strips for cutting ultrathin sections (60–100 nm) for TEM and thick sections for light microscopy.

This unit comes with its **original box and instruction manual**, which significantly increases its value on the secondary market. The machine is in good working condition with clean mechanical components and adjustable scoring arm.

### What's Included
- LKB Bromma 7800 Knifemaker unit
- Original instruction manual ("Knifemaker 7800B" printed booklet)
- Original cardboard box

### Specifications
- Produces glass knives at 45°, 90°, and 110° break angles
- Adjustable scoring arm
- Passive (no power required) scoring mechanism

### Condition
- Used, good condition
- Original box and manual present
- Mechanical components appear complete and functional

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## Market Research

| Source | Item | Condition | Price |
|--------|------|-----------|-------|
| eBay (154586560305) | LKB Bromma 7800 Knifemaker | Used | ~$150–$300 |
| eBay (275440949589) | LKB Bromma Knifemaker Model 7800 | Used | ~$150–$250 |
| eBay (124329006945) | LKB 7800 with model number | Used | ~$100–$200 |
| Ted Pella (tedpella.com) | Reconditioned LKB 7800 (new scoring wheel) | Reconditioned | ~$600–$900 |
| DOTmed | LKB 7800B | Used | ~$150–$300 |

**Box + manual premium:** Units with original packaging and manual command 30–50% premium over bare units.

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## Recommended Listing

**Title:** `LKB Bromma 7800 Knifemaker Glass Knife Maker TEM Ultramicrotomy with Manual & Box`

**Price:** $275–$375
- Clean working unit with box and manual
- Ted Pella sells reconditioned units for $600–$900; this unit at $325 is a strong value proposition
- Target buyers: university EM cores, pathology labs, TEM facilities

**Category:** Business & Industrial > Healthcare, Lab & Dental > Medical & Lab Equipment > Microtomes

**Shipping:** UPS/FedEx ground, ~$35–$55 (heavier unit with box)

**Condition:** Used — Good

**Key selling points:**
- Complete with original box and instruction manual (rare)
- LKB 7800 is the classic standard for glass knife making
- Good mechanical condition
- Produces consistent, high-quality glass knives for TEM and light microscopy

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## Notes
- Verify scoring wheel is intact (this is the consumable wear part — replacement wheels are available from Ted Pella)
- Note scoring wheel condition in listing; a worn wheel reduces value but is easily replaced