Hollow charge nose attachment for AP bombs

Holmgrens An explosive used in Sweden between 1903 and 1906 for filling shells and claimed to be more suitable for that purpose than PA. No composition is given Ref D.H. Hone, SS 1, 109 (1906) 

Holocellulose Cellulosic material obtainable from wood after removal of lignin. The term therefore means total carbohydrates (cellulose and hemicellulose) present in the wood (Refs 1 2) Ritter (Ref 3) succeded in isolating holocellulose from wood pulp by repeated chlori-nations, followed by extraction with alcohol containing 3% of monoethanolamine. The resulting product was white but changed color on standing 

Holtex. See Ref 7 thru Ref 11, pp C396-L to C397-L and Addnl Ref K, pp C402-R to C403-L in Vol 3 of Encycl 

A semiactive homing guidance system is one wherein the receiver in the missile receives 

A modified version of this semiactive technique has the transmitter located in the missile and the receiver of the reflected energy at some remote point. Computation of the desired flight path takes place at a remote point and suitable commands are sent to the missile. This system is known as a quasi-active homing guidance system 

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