Lazarus Archive · LZ-17072

Helix Plan

Maeve Lee, 1974. Application software for the PDP-11.

Description

An architectural drawing program for the PDP-11, written by Maeve Lee for architects.

Provenance

Deposited by Ferro Corporate Archive in 2013. All files were recovered; 13 damaged sectors were rebuilt from redundant data.

Preservation

Fixity (SHA-256)
6fa6e935f93108d2e03dd5b11139e89b2a9f4136a1326e4b438529dd1b8da6b9
Last verified
Oct 4, 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. The license does not permit copies to be taken away.

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: Maeve Lee, Helix Plan (1974). Lazarus Archive, LZ-17072.

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