ARCH284356
between 1972 and 1975
ARCH284350
1974 or 1975
ARCH284320
between 1970 and 2001
ARCH284323
between 1970 and 2001
ARCH284326
between 1970 and 2001
ARCH284325
between 1970 and 2001
ARCH284314
Description:
On letterhead of McGill University School of Architecture
November 1975
Text by Witold Rybczynski on the potential role of sulphur concrete in Canadian housing construction
Actions:
ARCH284314
Description:
On letterhead of McGill University School of Architecture
ARCH284315
Description:
Letter on letterhead of Imperial Oil Limited, Esso Production Department, signed by R.T. Doucette.
27 June 1973
Letter from L.E. Snell to Witold Rybczynski about the transport of sulphur to Saddle Lake, Alberta
Actions:
ARCH284315
Description:
Letter on letterhead of Imperial Oil Limited, Esso Production Department, signed by R.T. Doucette.
ARCH284316
Description:
With a handwritten note about ordering dicyclopentadiene from Fisher Scientific
7 August 1973
Letter from Witold Rybczynski to Alvaro Ortega and others requesting a shipment of material to be used for making sulphur fire resistant
Actions:
ARCH284316
Description:
With a handwritten note about ordering dicyclopentadiene from Fisher Scientific
ARCH252791
n.d.