The Archive

AR-1743-001 — 1743–1863

The Samarkand Correspondence — 1743 to 1863

644 letters between the Institution and an unnamed correspondent in Samarkand, spanning 120 years. The correspondent writes in three languages,…

Restricted

AR-1894-001 — 1894

Long Meg — The 1894 Rawlinson Survey

W. Rawlinson's 1894 survey of Long Meg and Her Daughters using the Appleby Measure. The field notes end mid-sentence at…

Open Access

AR-1899-003 — 1899

The Tesla Northern Correspondence — 1899

Correspondence between Nikola Tesla and the Institution, initiated by Tesla following his Colorado Springs experiments. The Institution's replies are held…

Open Access

AR-1969-002 — 1969 — ongoing

Lake Vostok — Sub-Ice Survey and Monitoring Record

The Institution began monitoring the Lake Vostok anomaly in 1969, predating the lake's formal discovery by approximately twenty years.

Open Access

AR-1706-001 — 1706

The Eden Valley Founding Survey — 1706

The survey conducted in the weeks preceding the formal chartering of the Institution. Seven alignment points identified. The seventh is…

Restricted

AR-1247-001 — c.1247 (assessed)

The 1247 Document — Archive Entry

The most significant item in the Deep Archive. Catalogue entry: "Of manufacture, but not of any maker known to this…

Restricted

AR-1973-001 — 1973 — ongoing

UVB-76 — The Buzzer — Monitoring Record

The Russian shortwave station broadcasting on 4625 kHz, monitored by the Institution since the early 1970s. The buzzer broadcasts continuously.…

Open Access

AR-1977-001 — 1977

The Wow! Signal — Assessment and Archive Entry

The 72-second narrowband radio signal detected at the Big Ear Radio Observatory on 15 August 1977. The Institution's assessment differs…

Open Access