Lazarus Archive · LZ-17989

Heron Index

Sorrel Software, 1983. Application software for the PDP-11.

Description

A database for the PDP-11, sold to charities by Sorrel Software.

Provenance

Sent to Lazarus by post, with a note asking whether anything could be saved. About 92 percent of the data could be read; the gaps are mapped.

Preservation

Fixity (SHA-256)
67d956631a6c93680efab84d1efa9d1eee6402135a97a67056c0bc7b11341d2d
Last verified
Oct 24, 2026, by Vigil
Emulation profile
LZE-PDP11-3 · lz-pdp core
Copies
Three, on two kinds of storage, in two cities
Original carriers
Kept in cold storage in Vancouver

Access

Free, in the Lazarus reading room in Vancouver and in partner reading rooms.

In the reading room it runs in emulation under profile LZE-PDP11-3, from a read-only copy of the recovered image, as it would have on the PDP-11.

Cite as: Sorrel Software, Heron Index (1983). Lazarus Archive, LZ-17989.

Also by Sorrel Software

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