
1) French play 2) Work by Marcel Pagnol
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https://www.crosswordclues.com/clue/topaze
[rocket] Topaze is the designation of a French sounding rocket. The Topaze was built by SEREB (now Aérospatiale) and was the first guidable French elevator research rocket. The Topaze was launched 14 times from Hammaguir, Algeria by ONERA. There were two versions of the Topaze: The Topaze was also used as the second stage of the Diamant ro...
Found on
http://en.wikipedia.org/wiki/Topaze_(rocket)

(from the article `Pagnol, Marcel Paul`) ...war profiteering, the play did not have wide appeal and closed after a few performances. Undaunted, Pagnol finally in 1926 had a hit with Jazz, ...
Found on
http://www.britannica.com/eb/a-z/t/62

The Sereb Topaze was a French single-stage solid-propellant multi-purpose test rocket vehicle first launched in 1962. The Sereb Topaze was capable of carrying a 480 kg payload to an altitude of 130 km and was 785 cm long and had a diameter of 80 cm.
Found on
http://www.probertencyclopaedia.com/browse/IT.HTM
No exact match found.